CN109853526B - High-rigidity steel pipe pile - Google Patents
High-rigidity steel pipe pile Download PDFInfo
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- CN109853526B CN109853526B CN201910258267.3A CN201910258267A CN109853526B CN 109853526 B CN109853526 B CN 109853526B CN 201910258267 A CN201910258267 A CN 201910258267A CN 109853526 B CN109853526 B CN 109853526B
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Abstract
The invention relates to the technical field of steel pipe piles, and discloses a high-rigidity steel pipe pile, which comprises an inner layer steel pipe and an outer layer steel pipe, wherein the inner layer steel pipe is nested into the outer layer steel pipe; the steel pipe pile reinforcing component is provided with a plurality of external connecting ends connected with the outer surface of the inner layer steel pipe, the steel pipe pile reinforcing component is provided with a plurality of internal connecting ends connected with the inner surface of the outer layer steel pipe, and the external connecting ends and the internal connecting ends are arranged at intervals in a surrounding mode along the circumferential direction of the vacant area; the stability and the wholeness that the subassembly can promote inlayer steel pipe and outer steel pipe are consolidated, and on the other hand also can be used as the pressure-bearing with inlayer steel pipe and outer steel pipe in coordination, further strengthens the rigidity of steel-pipe pile, has very strong practicality.
Description
Technical Field
The invention relates to the technical field of steel pipe piles, in particular to a high-rigidity steel pipe pile.
Background
The steel pipe pile is common construction equipment, can play a role in enclosing water, soil, sand and the like, and is widely applied to various constructions.
At present, a steel pipe pile consists of a steel pipe, a rabbet mortise and a rabbet dowel, wherein the rabbet is vertically connected on the pipe wall at the left end of the diameter of the steel pipe, the cross section of the rabbet is in a square frame shape with an opening at one side, a reinforcing rib is arranged on the side surface of the rabbet, the rabbet dowel is vertically connected on the pipe wall at the right end of the diameter of the steel pipe and at a position deviated from the radius, and the section of the rabbet dowel is in an I shape.
In the prior art, a steel pipe pile with too large pile diameter occupies a larger foundation pit area and has high manufacturing cost; when the pile diameter of the steel pipe pile is reduced, the steel pipe pile has the problems of insufficient rigidity and incapability of meeting construction requirements.
Disclosure of Invention
The invention aims to provide a high-rigidity steel pipe pile, and aims to solve the problem that the rigidity of the steel pipe pile is low in the prior art.
The high-rigidity steel pipe pile comprises an inner layer steel pipe and an outer layer steel pipe, wherein the inner layer steel pipe is embedded into the outer layer steel pipe, a ring-shaped vacant area is formed between the outer surface of the inner layer steel pipe and the inner surface of the outer layer steel pipe, a steel pipe pile reinforcing component arranged around the vacant area in the circumferential direction is arranged in the vacant area, and the steel pipe pile reinforcing component is continuously bent and is respectively connected with the inner layer steel pipe and the outer layer steel pipe; the steel pipe pile reinforcing component is provided with a plurality of external connecting ends connected with the outer surface of the inner layer steel pipe, the steel pipe pile reinforcing component is provided with a plurality of internal connecting ends connected with the inner surface of the outer layer steel pipe, and the external connecting ends and the internal connecting ends are arranged at intervals in a surrounding mode along the circumferential direction of the vacant area; along the circumferential direction of the vacant area, the plurality of outer connecting ends and the plurality of inner connecting ends are arranged in a staggered mode.
Furthermore, the bottom end of the outer layer steel pipe is provided with a bent part, and the bent part is arranged around the circumferential direction of the outer layer steel pipe; the bent part downwards crosses the bottom of the inner layer steel pipe, then is bent towards the inside of the inner layer steel pipe and upwards extends; the bending part is encircled to form an annular groove with an upward opening, and the bottom of the inner layer steel pipe is arranged in the annular groove.
Furthermore, the bending part is provided with a curved built-in section which is arranged inside the inner-layer steel pipe, the tail end of the built-in section abuts against the inner surface of the inner-layer steel pipe, and an annular cavity is formed between the built-in section and the inner surface of the inner-layer steel pipe in a surrounding mode.
Furthermore, a clamping groove is formed in the inner surface of the inner layer steel pipe, an elastic piece is arranged at the tail end of the built-in section and is in a pre-pressing state, a protruding block which is arranged towards the clamping groove is connected to the elastic piece, and the protruding block is embedded into the clamping groove.
Furthermore, the steel pipe pile reinforcing component comprises an annular steel plate, the annular steel plate comprises a plurality of inclined sections, and the inclined sections are sequentially connected end to end and are enclosed to form an annular shape; the inner end of the inclined section is connected with the outer surface of the inner layer steel pipe to form the outer connecting end, and the outer end of the inclined section is connected with the inner surface of the outer layer steel pipe to form the inner connecting end; between two adjacent inclined sections, the outer connecting ends of the two inclined sections are overlapped or the inner connecting ends of the two inclined sections are overlapped.
Furthermore, the outer connecting end is arranged in a curved surface manner, and the outer connecting end is attached to the outer surface of the inner steel pipe; the inner connecting end is arranged in a curved surface mode, and the inner connecting end is attached to the inner surface of the outer layer steel pipe.
Furthermore, a reinforcing plate is connected between two adjacent inner connecting ends, and a triangular prism-shaped structure is enclosed between the reinforcing plate and two adjacent inclined sections.
Further, inlayer steel pipe middle part has middle chamber, be equipped with three first partition steel sheet in the middle chamber, the internal surface of inlayer steel pipe has a plurality of stiff ends, the both ends of first partition steel sheet with the stiff end is connected, and is three first partition steel sheet end to end connection arranges and encloses synthetic first packing chamber, first packing chamber is regular triangular prism shape and arranges.
Further, the fixed end is arranged between the two adjacent outer connecting ends.
Further, three second partition steel plates are arranged in the first filling cavity, two adjacent ends of each second partition steel plate are connected to the middle of the corresponding first partition steel plate respectively, the two adjacent ends of each second partition steel plate are connected in sequence and enclose a plurality of second filling cavities, the second filling cavities are arranged in a regular triangular prism shape, and mortar is poured into the second filling cavities.
Compared with the prior art, the high-rigidity steel pipe pile provided by the invention has the advantages that compared with the traditional steel pipe pile, the inner layer steel pipe is additionally arranged in the steel pipe pile, so that the rigidity of the steel pipe pile is greatly improved, in addition, the steel pipe pile reinforcing component is additionally arranged between the inner layer steel pipe and the outer layer steel pipe, the reinforcing component can improve the stability and the integrity of the inner layer steel pipe and the outer layer steel pipe on one hand, and can be used as a bearing in cooperation with the inner layer steel pipe and the outer layer steel pipe on the other hand, the rigidity of the steel pipe pile is further enhanced, and the high-rigidity steel pipe pile has strong practicability.
Drawings
Fig. 1 is a schematic plan view of a high-rigidity steel pipe pile according to the present invention;
fig. 2 is an enlarged schematic view of a portion a of the high-rigidity steel-pipe pile according to the present invention;
fig. 3 is a schematic cross-sectional view of a high-rigidity steel pipe pile according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
Referring to fig. 1-3, preferred embodiments of the present invention are shown.
The high-rigidity steel pipe pile provided by the invention is not only limited to the steel pipe pile 10, but also can be used for construction of other pipe pile supports.
The high-rigidity steel pipe pile comprises an inner layer steel pipe 20 and an outer layer steel pipe 30, wherein the inner layer steel pipe 20 is nested into the outer layer steel pipe 30, a ring-shaped vacant area 60 is formed between the outer surface of the inner layer steel pipe 20 and the inner surface of the outer layer steel pipe 30, a steel pipe pile reinforcing component which is arranged around the circumference direction of the vacant area is arranged in the vacant area 60, and the steel pipe pile reinforcing component is continuously bent and is respectively connected with the inner layer steel pipe 20 and the outer layer steel pipe 30; the steel pipe pile reinforcing component is provided with a plurality of external connecting ends 42 connected with the outer surface of the inner layer steel pipe 20, the steel pipe pile reinforcing component is provided with a plurality of internal connecting ends 43 connected with the inner surface of the outer layer steel pipe 30, and the external connecting ends 42 and the internal connecting ends 43 are arranged at intervals in a surrounding mode along the circumferential direction of the vacant area; the plurality of outer connection ends 42 and the plurality of inner connection ends 43 are arranged alternately along the circumferential direction of the vacant regions.
Above-mentioned steel-pipe pile of high rigidity that provides, compare in traditional steel-pipe pile 10, inlayer steel pipe 20 has been increased in the inside of steel-pipe pile 10, make the rigidity of steel-pipe pile 10 have improved by a wide margin, in addition, steel-pipe pile 10 reinforcing component has still been increased between inlayer steel pipe 20 and outer steel pipe 30, reinforcing component can promote the stability and the wholeness of inlayer steel pipe 20 and outer steel pipe 30 on the one hand, on the other hand also can be used as the pressure-bearing with inlayer steel pipe 20 and outer steel pipe 30 in coordination, further strengthen the rigidity of steel-pipe pile 10, and the pile has very strong practicality.
In addition, the bottom end of the outer layer steel pipe 30 is provided with a bent part 70, the bent part 70 and the outer layer steel pipe 30 are integrally arranged, and the bent part 70 is arranged around the circumference direction of the outer layer steel pipe 30; the bent portion 70 is bent toward the inside of the inner steel pipe 20 and extends upward after passing downward over the bottom of the inner steel pipe 20; the kink 70 encloses to close and forms opening ring channel up, the ring channel is arranged in to the bottom of inlayer steel pipe 20, like this, inlayer steel pipe 20 card is in the ring channel, and outer steel pipe 30 between have better wholeness, when we pressed steel-pipe pile 10 into the stake downthehole time, inlayer steel pipe 20 can not contradict on the soil layer of stake hole bottom, can not receive the interference of soil layer, the sunken degree of depth of inlayer steel pipe 20 and outer steel pipe 30 is unanimous, can play better supporting effect.
The bending portion 70 has a curved built-in section disposed inside the inner steel pipe 20, the end of the built-in section abuts against the inner surface of the inner steel pipe 20, an annular cavity is formed between the built-in section and the inner surface of the inner steel pipe 20, and the annular cavity can provide a swing space for the inner steel pipe 20 in the process of moving the lower portion of the inner steel pipe 20 to the annular cavity, so as to facilitate the insertion of the inner steel pipe 20.
Furthermore, the inner surface of the inner steel tube 20 is provided with a clamping groove, the tail end of the built-in section is provided with an elastic piece, the elastic piece is in a pre-pressing state, the elastic piece is connected with a convex block arranged towards the clamping groove, the convex block is embedded into the clamping groove, the elastic piece applies pressure to the convex block, the convex block is pressed into the clamping groove, and the convex block limits the displacement of the inner steel tube 20 in the vertical direction.
In addition, the bottom end of the bent portion 70 is arranged in a straight shape, so that when the steel pipe pile 10 is placed in the pile hole, the bottom of the steel pipe pile 10 has a larger contact area with the bottom of the pile hole, the steel pipe pile 10 can be fixed more stably, and the pressure can be better dispersed in the soil layer.
The reinforcing component of the steel pipe pile 10 comprises an annular steel plate, the annular steel plate comprises a plurality of inclined sections 40, and the inclined sections 40 are sequentially connected end to form an annular shape in an enclosing manner; the inner end of the inclined section 40 is connected with the outer surface of the inner layer steel pipe 20 to form an outer connecting end 42, and the outer end of the inclined section 40 is connected with the inner surface of the outer layer steel pipe 30 to form an inner connecting end 43; between two adjacent oblique segments 40, the outer connection ends 42 of the two oblique segments 40 coincide or the inner connection ends 43 coincide.
The inclined section 40, the inner connecting end 43 and the outer connecting end 42 are integrally arranged, and the inclined section 40, the inner connecting end 43 and the outer connecting end 42 are connected seamlessly and have strong integrity.
Two adjacent inclined sections 40 are arranged in a V shape, and the plurality of inclined sections 40 divide the vacant area 60 into a plurality of vacant cavities, and then slurry is injected into the vacant cavities.
The outer connecting end 42 is arranged in a curved surface, and the outer connecting end 42 is attached to the outer surface of the inner steel pipe 20; the in-connection end 43 is the curved surface and arranges, and the laminating of the internal surface of in-connection end 43 and outer steel pipe 30 arranges, and at first, to outer connection end 42 and inner steel pipe 20, outer connection end 42 can combine inseparabler with inner steel pipe 20 to effectively increase the area of contact of outer connection end 42 and inner steel pipe 20, also more convenient welding, in-connection end 43 can with the combination between the outer steel pipe 30, also so.
Be connected with reinforcing plate 41 between two adjacent in-connection end 43, enclose synthetic triangular prism column structure between reinforcing plate 41 and two adjacent slope sections 40, the triangle-shaped has stability, and the triangular prism column structure that reinforcing plate 41 and two in-connection end 43 formed is more firm, non-deformable.
The middle part of the inner steel pipe 20 is provided with a middle cavity, three first separation steel plates 50 are arranged in the middle cavity, the inner surface of the inner steel pipe 20 is provided with a plurality of fixed ends, the two ends of the first separation steel plates 50 are connected with the fixed ends, the three first separation steel plates 50 are connected end to end and enclose a first filling cavity, the first filling cavity is arranged in a regular triangular prism shape, the first separation steel plates 50 arranged in a triangular prism shape have strong stability, and the strength and the rigidity of the inner steel pipe 20 are further enhanced.
The fixed end is arranged between the two adjacent outer connecting ends, so that the moment between the two adjacent outer connecting ends can be shortened, the first partition steel plate 50 can share the pressure of the inner steel pipe 20, and the effect of enhancing the strength and rigidity of the steel pipe pile 10 is achieved.
The first intracavity of packing has three second partition steel sheet, and two adjacent first partition steel sheet 50's middle part is connected respectively at the both ends of second partition steel sheet, and the chamber is packed to the head and the tail of three second partition plate according to the preface connection and enclose synthetic a plurality of second, and the chamber is packed to the second and is regular triangular prism form and arranges, and first partition steel sheet 50 and second partition steel sheet realize the multiple spot jointly and support, moreover, the intracavity portion is packed to the second has the mortar, further strengthens steel-pipe pile 10's intensity.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The high-rigidity steel pipe pile is characterized by comprising an inner steel pipe and an outer steel pipe, wherein the inner steel pipe is embedded into the outer steel pipe, a ring-shaped vacant area is formed between the outer surface of the inner steel pipe and the inner surface of the outer steel pipe, a steel pipe pile reinforcing component arranged around the vacant area in the circumferential direction is arranged in the vacant area, and the steel pipe pile reinforcing component is continuously bent and connected with the inner steel pipe and the outer steel pipe respectively; the steel pipe pile reinforcing component is provided with a plurality of external connecting ends connected with the outer surface of the inner layer steel pipe, the steel pipe pile reinforcing component is provided with a plurality of internal connecting ends connected with the inner surface of the outer layer steel pipe, and the external connecting ends and the internal connecting ends are arranged at intervals in a surrounding mode along the circumferential direction of the vacant area; along the circumferential direction of the vacant area, a plurality of external connecting ends and a plurality of internal connecting ends are arranged in a staggered mode; the bottom end of the outer layer steel pipe is provided with a bent part, and the bent part is arranged around the circumferential direction of the outer layer steel pipe; the bent part downwards crosses the bottom of the inner layer steel pipe, then is bent towards the inside of the inner layer steel pipe and upwards extends; the bent part is encircled to form an annular groove with an upward opening, and the bottom of the inner layer steel pipe is arranged in the annular groove; the steel pipe pile reinforcing component comprises an annular steel plate, the annular steel plate comprises a plurality of inclined sections, and the inclined sections are sequentially connected end to form an annular shape in a surrounding manner; the inner end of the inclined section is connected with the outer surface of the inner layer steel pipe to form the outer connecting end, and the outer end of the inclined section is connected with the inner surface of the outer layer steel pipe to form the inner connecting end; between two adjacent inclined sections, the outer connecting ends of the two inclined sections are overlapped or the inner connecting ends of the two inclined sections are overlapped.
2. The high-rigidity steel pipe pile according to claim 1, wherein the bent portion has a curved built-in section disposed inside the inner steel pipe, a tip of the built-in section abuts against an inner surface of the inner steel pipe, and an annular cavity is defined between the built-in section and the inner surface of the inner steel pipe.
3. The high-rigidity steel pipe pile according to claim 2, wherein a locking groove is formed in an inner surface of the inner steel pipe, an elastic member is provided at a distal end of the inner section, the elastic member is in a pre-compressed state, a protrusion is connected to the elastic member and arranged toward the locking groove, and the protrusion is inserted into the locking groove.
4. The high-rigidity steel pipe pile according to any one of claims 1 to 3, wherein the outer connection end is arranged in a curved surface, and the outer connection end is arranged in a manner of being attached to the outer surface of the inner steel pipe; the inner connecting end is arranged in a curved surface mode, and the inner connecting end is attached to the inner surface of the outer layer steel pipe.
5. The high-rigidity steel-pipe pile according to claim 4, wherein a reinforcing plate is connected between two adjacent inner connection ends, and a triangular prism structure is enclosed between the reinforcing plate and two adjacent inclined sections.
6. The high-rigidity steel pipe pile according to any one of claims 1 to 3, wherein a middle cavity is formed in the middle of the inner steel pipe, three first partition steel plates are arranged in the middle cavity, a plurality of fixing ends are formed in the inner surface of the inner steel pipe, two ends of each first partition steel plate are connected with the fixing ends, the three first partition steel plates are arranged end to end and enclose a first filling cavity, and the first filling cavity is arranged in a regular triangular prism shape.
7. The high-rigidity steel-pipe pile according to claim 6, wherein the fixed end is interposed between two adjacent outer connection ends.
8. The high-rigidity steel pipe pile according to claim 7, wherein three second partition steel plates are arranged in the first filling cavity, two ends of each second partition steel plate are respectively connected with the middle parts of two adjacent first partition steel plates, the three second partition steel plates are sequentially connected end to end and enclose a plurality of second filling cavities, the second filling cavities are arranged in a regular triangular prism shape, and mortar is injected into the second filling cavities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910258267.3A CN109853526B (en) | 2019-04-01 | 2019-04-01 | High-rigidity steel pipe pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910258267.3A CN109853526B (en) | 2019-04-01 | 2019-04-01 | High-rigidity steel pipe pile |
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| Publication Number | Publication Date |
|---|---|
| CN109853526A CN109853526A (en) | 2019-06-07 |
| CN109853526B true CN109853526B (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910258267.3A Active CN109853526B (en) | 2019-04-01 | 2019-04-01 | High-rigidity steel pipe pile |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03233018A (en) * | 1990-02-07 | 1991-10-17 | Osaka Koutetsu Kk | Steel tubular concrete pile |
| CN201031381Y (en) * | 2007-05-23 | 2008-03-05 | 中铁十四局集团有限公司 | Double thin walls steel concrete combined batardeau |
| CN203346880U (en) * | 2013-07-02 | 2013-12-18 | 慈溪市建筑构件有限公司 | Novel prestressed concrete pipe pile |
| CN205530224U (en) * | 2015-11-19 | 2016-08-31 | 山东科技大学 | Prefabricated steel -pipe pile of inside reinforcing |
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