CN116201160B - House building pile foundation structure and construction method - Google Patents
House building pile foundation structure and construction method Download PDFInfo
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- CN116201160B CN116201160B CN202310019707.6A CN202310019707A CN116201160B CN 116201160 B CN116201160 B CN 116201160B CN 202310019707 A CN202310019707 A CN 202310019707A CN 116201160 B CN116201160 B CN 116201160B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
- E02D27/14—Pile framings, i.e. piles assembled to form the substructure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- General Life Sciences & Earth Sciences (AREA)
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- Civil Engineering (AREA)
- Foundations (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The application relates to a house building pile foundation structure and a construction method, which relate to the technical field of pile foundations, wherein the house building pile foundation structure comprises: the upper end of the column body is provided with a connecting column, and the cross section area of the connecting column is smaller than that of the column body; the base is provided with a through hole, is sleeved on the connecting column and can slide relative to the connecting column; the locking assemblies are uniformly distributed along the circumferential direction of the connecting column, the locking assemblies comprise a driving column and a locking column, the driving column is provided with a driving end and a hinged end, the hinged end is hinged on the connecting column, the driving end extends out of the connecting column, the locking column is provided with a connecting end and a locking end, the connecting end is fixedly connected with the hinged end, a storage groove is formed in the side wall of the connecting column, the locking end can be stored in the storage groove, and a locking groove is formed in the inner side wall of the through hole; the abutment drives the drive post to drive the locking end of the locking post into the locking groove. The application has the effect that the joint of the column body and the base station is not easy to crack when the precast pile foundation is transported.
Description
Technical Field
The application relates to the technical field of pile foundations, in particular to a building pile foundation structure and a construction method thereof.
Background
Pile foundation refers to a deep foundation (see figure) consisting of piles and pile caps (called caps for short) connected with the tops of the piles or a single pile foundation connected with the pile foundation by the columns. The pile foundation is positioned below the building and is mainly used for bearing the load of the building.
In the related art, pile foundation construction is generally performed by drilling pile holes at construction points, inserting reinforcement cages into the pile holes, and pouring concrete. The construction period of the cast-in-situ pile foundation is longer, and the interior of the pile foundation is easy to generate hollows, so that prefabricated pile foundations are adopted in recent years. The prefabricated pile foundation comprises a column body inserted into the ground and a base integrally poured at the upper end of the column body, the cross section of the base is larger than that of the column body, and the base is used for connecting a bearing column of a building.
For the related art, the cross section size of the column body of the precast pile foundation is inconsistent with that of the base station, and if more precast pile foundations are stacked on the upper side of the precast pile foundation during transportation, the precast pile foundation on the lower side is easy to crack or even break at the joint of the column body and the base station, so that there is room for improvement.
Disclosure of Invention
In order to prevent cracking at the joint of the column body and the base station during transportation of the prefabricated pile foundation, the application provides a building pile foundation structure and a construction method.
In a first aspect, the present application provides a building pile foundation structure, which adopts the following technical scheme:
a building construction pile structure comprising:
the upper end of the column body is provided with a connecting column, and the cross section area of the connecting column is smaller than that of the column body;
the base is provided with a through hole, is sleeved on the connecting column and can slide relative to the connecting column; and
the locking assemblies are uniformly distributed along the circumferential direction of the connecting column, the locking assemblies comprise driving columns and locking columns, the driving columns are provided with driving ends and hinged ends, the hinged ends are hinged to the connecting columns, the driving ends extend out of the connecting columns, the locking columns are provided with connecting ends and locking ends, the connecting ends are fixedly connected with the hinged ends, storage grooves are formed in the side walls of the connecting columns, the locking ends can be stored in the storage grooves, and locking grooves are formed in the inner side walls of the through holes;
the base station is sleeved on the connecting column, the base station drives the driving column to rotate downwards, and the driving column drives the locking end of the locking column to slide out of the containing groove and be inserted into the locking groove.
Through adopting above-mentioned technical scheme, after the base station cover is located on the spliced pole, the base station is in descending in-process drive post downwardly turned, and drive post drive locking post stretches out the storage tank, and the locking end of locking post inserts in the locking tank to lock the base station in the cylinder, make the base station can with the cylinder split transportation, make the junction of cylinder and base station be difficult for producing the crackle when the transportation of prefabricated pile foundation.
Optionally, a calibration column is arranged on the locking column, the calibration column rotates synchronously with the locking column, a sliding groove is arranged on the side wall of the connecting column, and the calibration column can be accommodated in the sliding groove and slide in the sliding groove;
when the lower surface of the base and the upper end face of the column body are clamped on two sides of the driving column, the calibration column is pressed on the inner side wall of the through hole.
Through adopting above-mentioned technical scheme, the in-process that the base platform descends, the alignment post can drive base platform and cylinder alignment through the inside wall that compresses tightly the through-hole, has realized the automatic alignment of base platform and cylinder.
Optionally, a retaining assembly is included to retain the locking end in the locking groove.
Optionally, the holding assembly includes:
the sliding column is provided with a sliding groove, an opening of the sliding groove is arranged back to the locking column, and the sliding column penetrates through the sliding groove and is connected with the calibration column in a sliding manner; and
the elastic piece is arranged at the bottom of the sliding groove and keeps the sliding column in a trend of sliding out of the sliding groove;
when the calibration column is pressed on the inner side wall of the through hole, the elastic piece drives the sliding column part to extend out of the sliding groove, and the sliding column is inserted into a gap between the inner side wall of the through hole and the connecting column.
Through adopting above-mentioned technical scheme, when the calibration post compresses tightly on the inside wall of through-hole, the elastic component is driven the slip post part roll-off and is slided the groove and insert in the gap of through-hole inside wall and spliced pole, locks the locking post for the locking end keeps in the locking groove, has improved cylinder and abutment connection fastness.
Optionally, the slip post is close to be equipped with the stopper on the lateral wall of elastic component, be equipped with spacing annular on the inside wall of slip groove, the stopper can in rotate in the spacing annular, the stopper can in slide in the spacing annular, be equipped with the slip groove on the calibration post, the slip groove is followed the calibration post deviates from the tip of locking post extends to spacing annular, the stopper can be passed through the slip groove slip extremely in the spacing annular.
Through adopting above-mentioned technical scheme, the stopper can rotate and slide in spacing annular for the stopper is difficult for the complete roll-off of slip groove with slip-in groove dislocation back slip post.
Optionally, the elastic component is compression spring, the one end of elastic component with the tank bottom of groove is fixed that slides, the other end of elastic component with the slip post is fixed, the inside wall of spacing annular is equipped with a plurality of joint pieces, and is a plurality of the joint piece is followed the axial of calibration post evenly sets up, and adjacent two be formed with the confession between the joint piece the joint groove of stopper joint, the joint piece is close to one side of elastic component has a guide face, the guide face guide the stopper drives about the elastic component twists, when the stopper slides to between the adjacent two the joint piece, the elastic component drives about the stopper twists joint in the joint groove.
Through adopting above-mentioned technical scheme for after the slip post stretches out the groove of sliding, can lock in the joint inslot through the stopper joint, make the slip post be difficult for to the inslot of sliding back.
Optionally, a cone is arranged at the end part of the sliding column, which is away from the elastic piece, and the bottom surface of the cone coincides with the end surface of the sliding column, which is away from the elastic piece.
Through adopting above-mentioned technical scheme for the slip post can insert in the through-hole inside wall and the gap of spliced pole equidimension not, has improved the application scope who keeps the subassembly.
Optionally, the driving column is provided with a horizontal part, and the locking end is inserted into the locking groove when the lower surface of the base and the upper end surface of the column are clamped at two sides of the horizontal part;
the support columns are arranged on two sides of the horizontal portion, the support columns are perpendicular to the horizontal portion, the support columns can be clamped by the lower surface of the base station and the upper end face of the column body, and the support columns on two sides of the horizontal portion are coaxially arranged in one-to-one correspondence.
Through adopting above-mentioned technical scheme, the support column provides the support for the base station can keep the horizontality in the upside of cylinder, and is difficult for taking place the slope.
Optionally, a rotating cylinder is sleeved on the support column, and the rotating cylinder is rotationally connected with the support column.
By adopting the technical scheme, the sliding friction of the base platform and the supporting column is converted into rolling friction, so that the sliding resistance of the base platform in the horizontal direction is reduced, and the automatic alignment of the base platform and the column body is conveniently realized.
In a second aspect, the application provides a construction method of a building pile foundation structure, which adopts the following technical scheme:
a construction method of a building pile foundation structure as described above, comprising the steps of:
s1, vertically implanting the lower end of a column body into the ground;
s2, sleeving the base station on the connecting column, and driving the locking column to be inserted into the locking groove by the base station through the driving column;
s3, pouring concrete in the gaps between the connecting columns and the inner side walls of the through holes, so that the base and the columns are fixedly poured.
In summary, the present application includes at least one of the following beneficial technical effects:
1. after the base station is sleeved on the connecting column, the base station drives the driving column to rotate downwards in the descending process, the driving column drives the locking column to extend out of the storage groove, and the locking end of the locking column is inserted into the locking groove so as to lock the base station on the column body, so that the base station can be detached and transported with the column body, and the joint of the column body and the base station is not easy to crack when the prefabricated pile foundation is transported;
2. when the calibration column is pressed on the inner side wall of the through hole, the elastic piece drives the sliding column part to slide out of the sliding groove and insert into a gap between the inner side wall of the through hole and the connecting column, and the locking column is locked, so that the locking end is kept in the locking groove, and the firmness of connection between the column body and the base table is improved.
Drawings
Fig. 1 is a plan view of a building construction pile structure according to embodiment 1 of the present application.
Fig. 2 is a partial cross-sectional view taken along the direction A-A in fig. 1.
Fig. 3 is a schematic structural view of a locking assembly of embodiment 1 of the present application.
Fig. 4 is an X-ray view of the locking assembly of embodiment 1 of the present application.
Fig. 5 is a sectional view taken along the direction B-B in fig. 4.
Fig. 6 is a cross-sectional view taken in the C-C direction after the sliding column is removed in fig. 4.
Reference numerals illustrate: 10. a column; 11. a connecting column; 111. a storage groove; 112. a sliding groove; 113. a hinge shaft; 20. a base station; 21. a through hole; 211. a locking groove; 30. a locking assembly; 31. a drive column; 311. a driving end; 312. a hinged end; 313. a horizontal portion; 314. a support column; 315. a rotating cylinder; 32. locking the column; 321. a connection end; 322. a locking end; 323. calibrating the column; 3231. a slip groove; 3232. a limit ring groove; 3233. sliding into the groove; 3234. a clamping block; 3235. a clamping groove; 3236. a guide surface; 324. a transmission section; 325. a locking section; 40. a retention assembly; 41. a sliding column; 411. a limiting block; 412. a cone; 42. an elastic member.
Detailed Description
The application is described in further detail below with reference to fig. 1-6.
Example 1
The embodiment of the application discloses a building pile foundation structure. Referring to fig. 1 and 2, a building construction pile structure includes a column 10, a base 20, and a locking assembly 30.
The column body 10 is a square column, the lower end of the column body 10 is arranged in a regular rectangular pyramid shape, and the column body 10 is arranged vertically. The upper side of the column body 10 is poured and formed with a connecting column 11, the connecting column 11 is a square column, the cross section area of the connecting column 11 is smaller than that of the column body 10, the central line of the connecting column 11 coincides with the central line of the column body 10, and the central line is a connecting line of the column body 10 at the centers of the cross section shapes of different heights.
The cross section of the base 20 is in a shape like a Chinese character 'hui', four side walls of the base 20 are congruent, and the center line of the base 20 coincides with the center line of the column 10. The base 20 has a through hole 21, and the connecting post 11 can be inserted into the through hole 21 to sleeve the base 20 on the outer side of the connecting post 11, and a gap exists between the inner side wall of the through hole 21 and the connecting post 11.
Referring to fig. 2 and 3, the number of locking assemblies 30 is plural, the plurality of locking assemblies 30 are uniformly arranged along the circumferential direction of the connection post 11, the locking assemblies 30 are used for locking the base 20 on the connection post 11, and four locking assemblies 30 are described as an example in this embodiment. Specifically, the locking assembly 30 includes a drive post 31 and a locking post 32. The driving post 31 may be a straight post or a bent post, and in this embodiment, the driving post 31 is described by taking the bent post as an example, the driving post 31 has a horizontal portion 313, and after the base 20 is sleeved on the connecting post 11, the lower surface of the base 20 and the upper surface of the post 10 are clamped on the upper and lower sides of the horizontal portion 313. The driving post 31 has a driving end 311 and a hinge end 312, the hinge end 312 is hinged in the connecting post 11 through the hinge shaft 113, and the driving end 311 extends out of the connecting post 11. The locking post 32 is a bent cylinder, the locking post 32 comprises a transmission section 324 and a locking section 325, the locking post 32 is provided with a connecting end 321 and a locking end 322, the connecting end 321 is the end of the transmission section 324 far away from the locking section 325, the locking end 322 is the end of the locking section 325 far away from the transmission section 324, and the connecting end 321 is fixedly connected with the hinging end 312. The side wall of the connecting column 11 is provided with a receiving groove 111, the locking column 32 can be received in the receiving groove 111 and can rotate around the hinge shaft 113 in the receiving groove 111, and the driving column 31 and the locking column 32 are perpendicular to the hinge shaft 113. The inner side wall of the through hole 21 is provided with a locking groove 211, and a locking section 325 of the locking column 32 can be inserted into the locking groove 211 to lock the base 20.
Initially, the locking post 32 is received in the receiving slot 111, and after the base 20 is sleeved on the connecting post 11, the base 20 drives the driving post 31 to rotate downwards around the hinge shaft 113 under the action of gravity, and the driving post 31 drives the locking post 32 to slide around the hinge shaft 113 towards the opening of the receiving slot 111. When the lower surface of the base 20 and the upper surface of the column body 10 are clamped on the upper and lower sides of the horizontal portion 313, the locking section 325 of the locking column 32 slides out of the receiving groove 111 and is inserted into the locking groove 211, the locking section 325 of the locking column 32 is horizontally arranged, and the locking section 325 presses the bottom wall of the locking groove 211 to lock the base 20 on the connecting column 11.
In order to make the center lines of the base 20 and the column 10 coincide when they are fixed, the locking column 32 is provided with a hinge column, the alignment column 323 is fixed on the locking section 325, and the alignment column 323 is horizontally arranged and perpendicular to the locking section 325. The connecting column 11 is provided with a sliding groove 112, the sliding groove 112 is communicated with the accommodating groove 111, the sliding groove 112 penetrates through the side wall of the connecting column 11, the alignment column 323 can be accommodated in the sliding groove 112, and the alignment column 323 can also slide in the sliding groove 112 around the hinge shaft 113 and slide out of the sliding groove 112. One calibration column 323 may correspond to one locking segment 325, i.e., one calibration column 323 is located on one side of the locking segment 325; it is also possible that two alignment posts 323 correspond to one locking segment 325, i.e., two alignment posts 323 are symmetrically disposed on either side of the locking segment 325.
When the lower surface of the base 20 and the upper end surface of the column body 10 are clamped on the upper and lower sides of the horizontal portion 313 of the driving column 31, the alignment column 323 is pressed against the inner side wall of the through hole 21, so that automatic alignment of the base 20 and the column body 10 is realized, that is, the center line of the base 20 and the center line of the column body 10 coincide.
The support columns 314 are fixed on two sides of the horizontal portion 313 of the driving column 31, the support columns 314 are horizontally arranged and mutually perpendicular to the horizontal portion 313, the support columns 314 on two sides of the horizontal portion 313 are coaxially arranged in one-to-one correspondence, and the support columns 314 provide support for the base 20, so that the base 20 can be kept horizontal when the horizontal portion 313 is clamped by the lower surface of the base 20 and the upper end face of the column 10.
The support column 314 is sleeved with a rotary cylinder 315, the rotary cylinder 315 is rotationally connected with the support column 314 to convert sliding friction between the base 20 and the support column 314 into rolling friction, so that the base 20 can slide in the horizontal direction conveniently, and automatic alignment of the base 20 and the column 10 is realized, namely, the center line of the base 20 coincides with the center line of the column 10.
Referring to fig. 4, 5 and 6, the building construction pile structure further comprises a retaining assembly 40, the retaining assembly 40 being adapted to retain the locking segments 325 in the locking grooves 211. Specifically, the holding assembly 40 includes a slide column 41 and an elastic member 42. The alignment post 323 is provided with a sliding groove 3231, the sliding groove 3231 is formed along the axial direction of the alignment post 323, the opening of the sliding groove 3231 is arranged back to the locking post 32, and the sliding post 41 is arranged in the sliding groove 3231 and can slide along the axial direction in the sliding groove 3231. The elastic member 42 is a compression spring, the elastic member 42 is disposed at the bottom of the sliding groove 3231, the elastic member 42 keeps contact with the sliding column 41, and the elastic member 42 keeps the sliding column 41 in a sliding out trend of the sliding groove 3231.
When the locking post 32 is stored in the storage groove 111, the sliding post 41 is pressed against the side wall of the sliding groove 112 under the driving of the elastic member 42, so that the alignment post 323 can be held in the sliding groove 112 when no external force is interposed, and the locking post 32 can be held in the storage groove 111 when no external force is interposed. When the alignment post 323 is pressed against the inner sidewall of the through hole 21, the elastic member 42 drives the sliding post 41 to partially extend out of the sliding groove 3231, and the sliding post 41 is inserted into the gap between the inner sidewall of the through hole 21 and the connection post 11 to lock the locking post 32, so that the locking post 32 is held in the locking groove 211.
In order to make the sliding column 41 not easy to slide out of the sliding groove 3231 completely, a limiting block 411 is integrally arranged on the outer side wall of the sliding column 41, which is close to the elastic piece 42, a limiting ring groove 3232 is arranged on the inner side wall of the sliding groove 3231, the limiting ring groove 3232 is not communicated with the end surface of the calibration column 323, which is opposite to the locking section 325, and the limiting block 411 can rotate around the sliding column 41 in the circumferential direction in the limiting ring groove 3232 and can slide along the axial direction in the limiting ring groove 3232. The alignment post 323 is provided with a sliding groove 3233, the sliding groove 3233 is arranged along the axial direction of the alignment post 323, and the sliding groove 3233 extends from the end surface of the alignment post 323, which is away from the locking post 32, to the limit groove 3232, so that the limiting block 411 can slide into the limit groove 3232 through the sliding groove 3233. After the stopper 411 slides into the limiting ring groove 3232, the sliding column 41 is rotated to make the stopper 411 dislocate with the sliding groove 3233, so that the stopper 411 is not easy to slide out of the limiting ring groove 3232.
The diameter of the bottom of the sliding groove 3231 is the smallest, one end of the elastic piece 42 is fixedly inserted into the bottom of the sliding groove 3231, and the other end of the elastic piece 42 is fixedly connected with the sliding column 41, so that the sliding column 41 can be driven to rotate in the circumferential direction in the sliding groove 3231 after the elastic piece 42 is twisted. A plurality of clamping blocks 3234 are fixed on the inner side wall of the limiting ring groove 3232, the clamping blocks 3234 are uniformly arranged along the axial direction of the calibration column 323, a clamping groove 3235 is formed between two adjacent clamping blocks 3234, and the limiting block 411 can be clamped in the clamping groove 3235 when the elastic piece 42 is not twisted. The side of the clamping block 3234, which is close to the elastic piece 42, is provided with a guide surface 3236, the guide surface 3236 is obliquely downwards arranged along the direction indicated by an arrow x, in the process that the elastic piece 42 drives the sliding column 41 to slide out of the sliding groove 3231, the guide surface 3236 is contacted with the limiting block 411, then the limiting block 411 is guided to drive the elastic piece 42 to twist and deform, and when the limiting block 411 moves between two adjacent clamping blocks 3234, the elastic piece 42 twists to reset to drive the limiting block 411 to be clamped in the clamping groove 3235, so that the sliding column 41 is not easy to retract into the sliding groove 3231 after extending out of the sliding groove 3231.
The end of the sliding column 41 facing away from the elastic member 42 is integrally provided with a cone 412, and the bottom surface of the cone 412 coincides with the end surface of the sliding column 41 facing away from the elastic member 42, so that the sliding column 41 can be inserted into the gap between the inner side wall of the through hole 21 and the connection column 11.
The implementation principle of the pile foundation structure of the building is as follows: after the base 20 is sleeved on the connecting post 11, the base 20 drives the driving post 31 to rotate downwards around the hinge shaft 113 under the action of gravity, and the driving post 31 drives the locking post 32 to slide around the hinge shaft 113 towards the opening of the accommodating groove 111. When the lower surface of the base 20 and the upper surface of the column body 10 are clamped on the upper and lower sides of the horizontal portion 313, the locking section 325 of the locking column 32 slides out of the receiving groove 111 and is inserted into the locking groove 211, the locking section 325 of the locking column 32 is horizontally arranged, and the locking section 325 presses the bottom wall of the locking groove 211 to lock the base 20 on the connecting column 11. When the lower surface of the base 20 and the upper end surface of the column 10 are clamped on the upper and lower sides of the horizontal portion 313 of the driving column 31, the alignment column 323 is pressed against the inner side wall of the through hole 21 to drive the base 20 to slide in the horizontal direction to align with the column 10, thereby realizing automatic alignment of the base 20 and the column 10. In addition, when the lower surface of the base 20 and the upper surface of the column 10 are clamped at the upper and lower sides of the horizontal portion 313, the sliding column 41 is inserted into the gap between the inner sidewall of the through hole 21 and the connecting column 11 to lock the locking section 325, so that the base 20 and the column 10 are more firmly connected.
Example 2
The embodiment of the application also discloses a construction method of the building pile foundation structure, which comprises the following steps:
s1, vertically implanting the lower end of the column body 10 into the ground;
s2, sleeving the base 20 on the connecting column 11, and driving the locking column 32 to be inserted into the locking groove 211 by the base 20 through the driving column 31;
s3, pouring concrete into gaps between the connecting columns 11 and the inner side walls of the through holes 21, so that the base 20 and the columns 10 are fixedly poured.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (5)
1. A building construction pile structure comprising:
the upper end of the column body (10) is provided with a connecting column (11), and the cross section area of the connecting column (11) is smaller than that of the column body (10);
the base (20) is provided with a through hole (21), the base (20) is sleeved on the connecting column (11), and the base (20) can slide relative to the connecting column (11); and
the locking assembly (30) is multiple, the locking assemblies (30) are uniformly distributed along the circumference of the connecting column (11), the locking assembly (30) comprises a driving column (31) and a locking column (32), the driving column (31) is provided with a driving end (311) and a hinging end (312), the hinging end (312) is hinged to the connecting column (11), the driving end (311) extends out of the connecting column (11), the locking column (32) is provided with a connecting end (321) and a locking end (322), the connecting end (321) is fixedly connected with the hinging end (312), a storage groove (111) is formed in the side wall of the connecting column (11), the locking end (322) can be stored in the storage groove (111), and a locking groove (211) is formed in the inner side wall of the through hole (21).
The base (20) is sleeved on the connecting column (11), the base (20) drives the driving column (31) to rotate downwards, and the driving column (31) drives the locking end (322) of the locking column (32) to slide out of the accommodating groove (111) and be inserted into the locking groove (211);
the locking column (32) is provided with a calibration column (323), the calibration column (323) synchronously rotates along with the locking column (32), the side wall of the connecting column (11) is provided with a sliding groove (112), and the calibration column (323) can be contained in the sliding groove (112) and slide in the sliding groove (112);
when the lower surface of the base (20) and the upper end surface of the column body (10) are clamped on two sides of the driving column (31), the calibration column (323) is pressed on the inner side wall of the through hole (21);
further comprising a retaining assembly (40) for retaining the locking end (322) in the locking groove (211);
the holding assembly (40) includes:
the sliding column (41), the calibration column (323) is provided with a sliding groove (3231), an opening of the sliding groove (3231) is opposite to the locking column (32), and the sliding column (41) is arranged in the sliding groove (3231) in a penetrating manner and is connected with the calibration column (323) in a sliding manner; and
an elastic member (42), wherein the elastic member (42) is arranged at the bottom of the sliding groove (3231), and the elastic member (42) keeps the sliding column (41) in a trend of sliding out of the sliding groove (3231);
when the calibration column (323) is pressed on the inner side wall of the through hole (21), the elastic piece (42) drives the sliding column (41) to partially extend out of the sliding groove (3231), and the sliding column (41) is inserted into a gap between the inner side wall of the through hole (21) and the connecting column (11);
a limiting block (411) is arranged on the outer side wall of the sliding column (41) close to the elastic piece (42), a limiting ring groove (3232) is arranged on the inner side wall of the sliding groove (3231), the limiting block (411) can rotate in the limiting ring groove (3232), the limiting block (411) can slide in the limiting ring groove (3232), a sliding groove (3233) is arranged on the calibrating column (323), the sliding groove (3233) extends from the end part of the calibrating column (323) deviating from the locking column (32) to the limiting ring groove (3232), the limiting block (411) can slide into the limiting ring groove (3232) through the sliding groove (3233), a plurality of clamping blocks (3234) are arranged on the inner side wall of the limiting ring groove (3232), the clamping blocks (3234) are uniformly arranged along the axial direction of the calibrating column (323), a clamping block (411) is formed between two adjacent clamping blocks (3234), and the limiting block (411) is used for being clamped in a clamping groove (3235), and the limiting block (3236) is provided with an elastic guide surface (36) close to one side of the limiting block (42);
the driving column (31) is provided with a horizontal part (313), and when the lower surface of the base (20) and the upper end surface of the column body (10) are clamped on two sides of the horizontal part (313), the locking end (322) is inserted into the locking groove (211);
support columns (314) are arranged on two sides of the horizontal portion (313), the support columns (314) are perpendicular to the horizontal portion (313), the support columns (314) can be clamped by the lower surface of the base station (20) and the upper end face of the column body (10), and the support columns (314) on two sides of the horizontal portion (313) are coaxially arranged in one-to-one correspondence.
2. The building pile foundation structure of claim 1, wherein: the elastic piece (42) is a compression spring, one end of the elastic piece (42) is fixed with the bottom of the sliding groove (3231), the other end of the elastic piece (42) is fixed with the sliding column (41), and when the limiting block (411) slides between two adjacent clamping blocks (3234), the elastic piece (42) drives the limiting block (411) to twist and clamp in the clamping groove (3235).
3. The building pile foundation structure of claim 1, wherein: the end of the sliding column (41) facing away from the elastic piece (42) is provided with a cone (412), and the bottom surface of the cone (412) coincides with the end surface of the sliding column (41) facing away from the elastic piece (42).
4. The building pile foundation structure of claim 1, wherein: the support column (314) is sleeved with a rotating cylinder (315), and the rotating cylinder (315) is rotationally connected with the support column (314).
5. A method of constructing a building construction pile structure according to any one of claims 1 to 4, comprising the steps of:
s1, vertically implanting the lower end of a column body (10) into the ground;
s2, sleeving the base station (20) on the connecting column (11), and driving the locking column (32) to be inserted into the locking groove (211) by the base station (20) through the driving column (31);
s3, pouring concrete into gaps between the connecting columns (11) and the inner side walls of the through holes (21), and enabling the base (20) and the column body (10) to be fixedly poured.
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