CN218373799U - Tubular pile convenient for pile extension, matched tubular pile and tubular pile connecting structure - Google Patents

Abstract

The utility model discloses a tubular pile, cooperation tubular pile and tubular pile connection structure of convenient pile extension. The tubular pile convenient for pile extension comprises a first pile body and a first end plate, wherein the first end plate is fixed on the end face of the first pile body and is provided with a plurality of first through holes penetrating through the first end plate, a plurality of steel bars matched with the first through holes are embedded in the first pile body, and the steel bars penetrate through the first through holes of the first end plate and extend out of the first end plate; the end of the reinforcing bar is provided with an expansion sleeve which can be expanded outwards after the reinforcing bar is inserted into the expansion sleeve. The utility model discloses pile extension efficiency and pile extension quality can be promoted.

Description

Tubular pile convenient for pile extension, matched tubular pile and tubular pile connecting structure

Technical Field

The utility model belongs to the technical field of the tubular pile technique and specifically relates to a tubular pile, cooperation tubular pile and tubular pile connection structure of convenient pile extension.

Background

Pile splicing technology and pile splicing quality of the concrete precast tubular pile are keys influencing overall performance of pile foundation engineering, so that selection of pile splicing modes is very important. The present splicing method for prefabricated pipe products generally selects an end plate welding method, which can make the important mechanical properties (bending resistance, shearing resistance and tensile strength) of the pile joint slightly stronger than those of the pile body, but the welding method needs to weld the end plates of the pipe pile together on site, which has large workload, and the joint is easy to lose efficacy when the multi-section pile is pulled because the quality of the welding seam is not easy to monitor and guarantee.

SUMMERY OF THE UTILITY MODEL

The utility model provides a tubular pile, cooperation tubular pile and tubular pile connection structure of conveniently connecing can promote pile efficiency and pile quality.

In order to solve the above problem, the utility model adopts the following technical scheme:

according to a first aspect of the present invention, an embodiment of the present invention provides a pipe pile convenient for pile extension, including a first pile body and a first end plate, wherein the first end plate is fixed on an end surface of the first pile body, and the first end plate is provided with a plurality of first through holes penetrating through the first end plate, a plurality of steel bars adapted to the first through holes are embedded in the first pile body, and the steel bars pass through the first through holes of the first end plate and extend out of the first end plate; the end of the reinforcing bar is provided with an expansion sleeve which can be expanded outwards after the reinforcing bar is inserted into the expansion sleeve.

Preferably, the expansion sleeve includes a connection cylinder portion and an expansion portion connected to the connection cylinder portion, the connection cylinder portion is provided with a through hole through which the reinforcing bar is inserted, the expansion portion is provided with an expansion hole which is butted against the through hole and into which the reinforcing bar is inserted, and the expansion portion is capable of expanding outward after the reinforcing bar is inserted into the expansion hole.

Preferably, the expansion part comprises a plurality of expansion pieces, and the expansion pieces included in the expansion part surround and form the expansion hole; the expansion piece can be bent and deformed outwards after the reinforcing steel bar is inserted into the expansion hole.

Preferably, the inner diameter of the expansion hole is gradually reduced in the direction in which the reinforcing bar is inserted into the expansion hole, and the expansion member is gradually deformed by bending outward as the depth of the reinforcing bar inserted into the expansion hole increases.

Preferably, a stopper ring is provided on a circumferential surface of the connecting cylinder portion.

According to a second aspect of the present invention, an embodiment of the present invention provides a matching tubular pile connected to the tubular pile convenient for pile extension according to any one of the first aspect, including a second pile body and a second end plate, wherein the second end plate is fixed on an end surface of the second pile body, and the end surface of the end of the matching tubular pile provided with the second end plate is provided with a plurality of preformed holes adapted to the expansion sleeve; the expansion sleeve can be tightly fixed in the prepared hole after being expanded outwards.

Preferably, the preformed hole comprises a second through hole penetrating through the second end plate and a mounting hole arranged on the end face of the second pile body and butted with the second through hole, the aperture of the mounting hole is larger than that of the second through hole, and the expansion sleeve can be clamped and fixed in the mounting hole after being expanded outwards.

Preferably, the preformed hole is filled with a flexible material.

According to a third aspect of the present invention, an embodiment of the present invention provides a tubular pile connection structure, including the tubular pile and the tubular pile, which are convenient for pile extension, according to any one of the first aspect, wherein the tubular pile comprises a second pile body and a second end plate, the second end plate is fixed on the end surface of the second pile body, and the end surface of the end of the tubular pile, which is provided with the second end plate, is provided with a plurality of preformed holes adapted to the expansion sleeve; the expansion sleeve is inserted in the preformed hole and is tightly clamped and fixed in the preformed hole after being expanded outwards.

Preferably, the preformed hole includes a second perforation penetrating through the second end plate and a mounting hole arranged on the end face of the second pile body and butted with the second perforation, the aperture of the mounting hole is larger than that of the second perforation, and the expansion sleeve is clamped and fixed in the mounting hole after being expanded outwards.

The utility model discloses following beneficial effect has at least: when the tubular pile convenient for pile extension is connected with the matched tubular pile, the expansion sleeve is driven into the preformed hole of the matched tubular pile, and after the reinforcing steel bar is inserted into the expansion sleeve, the expansion sleeve expands outwards so as to be tightly fixed in the preformed hole, so that the connection of the two tubular piles is realized; meanwhile, the expansion sleeve can be accurately clamped with the preformed hole only by ensuring the expansion sleeve to be accurately butted with the preformed hole and then driving the expansion sleeve into place, the whole process is easy to observe and supervise, and the pile splicing quality can be improved.

Drawings

Fig. 1 is a schematic structural view of a pipe pile facilitating pile extension according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a reinforcement bar and an expansion sleeve of an embodiment of the present invention prior to expansion;

fig. 3 is a schematic cross-sectional view of an embodiment of the present invention after expansion of the reinforcing bars and expansion sleeve;

fig. 4 is a schematic top view of an embodiment of the expansion sleeve of the present invention prior to expansion;

fig. 5 is a schematic structural view of a first end plate according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a matching tubular pile according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a tubular pile connection structure before pile splicing according to an embodiment of the present invention;

fig. 8 is the structure diagram of the tubular pile connecting structure of the utility model after pile extension.

Wherein the reference numerals are:

the pile comprises a first pile body 100, a first end plate 110, a first through hole 111, an anchoring hole 112 and a steel bar 120;

a second pile body 200, a second end plate 210, a preformed hole 201, a second through hole 202 and a mounting hole 203;

the expansion sleeve 300, a through hole 301, an expansion hole 302, a connecting cylinder part 310, an expansion part 320, an expansion piece 321 and a limiting ring 330.

Detailed Description

The present disclosure provides the following description with reference to the accompanying drawings to assist in a comprehensive understanding of various embodiments of the disclosure as defined by the claims and their equivalents. The description includes various specific details to aid understanding, but such details are to be regarded as exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the various embodiments described herein can be made without departing from the scope and spirit of the present disclosure. Moreover, the descriptions of the disclosed functions and configurations may be omitted for clarity and conciseness.

The terms and words used in the following description and claims are not limited to the literal meanings, but are used by the inventors to enable a clear and consistent understanding of the disclosure. Accordingly, it will be apparent to those skilled in the art that the following descriptions of the various embodiments of the present disclosure are provided for illustration only and not for the purpose of limiting the disclosure as defined by the appended claims and their equivalents.

The terms "having," "including," or "including" used in various embodiments of the present disclosure indicate the presence of the respective functions, operations, elements, etc., disclosed, but do not limit additional one or more functions, operations, elements, etc. Furthermore, it is to be understood that the terms "comprises" or "comprising," when used in various embodiments of the present disclosure, are intended to specify the presence of stated features, integers, operations, elements, components, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, operations, elements, components, or groups thereof.

It will be understood that when an element (e.g., a first element) is "connected" to another element (e.g., a second element), the element can be directly connected to the other element or intervening elements (e.g., a third element) may be present.

An embodiment of the utility model provides a make things convenient for pile extension's tubular pile, as shown in fig. 1, it includes first pile body 100 and first end plate 110, and first end plate 110 is fixed on the terminal surface of first pile body 100, and first end plate 110 is provided with a plurality of first perforation that run through itself. A plurality of steel bars 120 are embedded in the first pile body 100, the axial direction of the steel bars 120 can be parallel to the axial direction of the first pile body 100, the steel bars 120 are matched with the first through holes, specifically, the positions and the sizes of the steel bars 120 are respectively matched with the positions and the sizes of the first through holes, so that each steel bar 120 passes through the corresponding first through hole on the first end plate 110, and each steel bar 120 extends out of the first end plate 110 by a preset distance (the preset distance is determined by a person skilled in the art according to actual conditions), so that the exposed part of the steel bars 120 can be connected with the expansion sleeve 300 and can be driven into a matched tubular pile. The end of the steel bar 120 exposed outside is provided with an expansion sleeve 300, and the expansion sleeve 300 can be sleeved on the steel bar 120 and can be connected with the steel bar 120 so as to prevent the expansion sleeve 300 from falling off from the steel bar 120. When pile extension is required, the reinforcing bars 120 may be driven into the expansion sleeve 300, and the expansion sleeve 300 may be expanded outward after the reinforcing bars 120 are inserted into the expansion sleeve 300, and pile extension may be accomplished using the expansion sleeve 300.

The tubular pile convenient for pile extension can be connected with a corresponding matched tubular pile, the end face of the matched tubular pile is provided with a preformed hole matched with the expansion sleeve 300, when the pile is extended, the expansion sleeve 300 is driven into the preformed hole of the matched tubular pile, and after the reinforcing steel bar 120 is inserted into the expansion sleeve 300, the expansion sleeve 300 expands outwards, so that the two tubular piles are clamped and fixed in the preformed hole, and the connection of the two tubular piles is realized, compared with the traditional welding mode, the two tubular piles are connected in an expansion clamping mode, the pile extension workload can be reduced, and the tubular pile connection efficiency is improved; meanwhile, the expansion sleeve 300 is accurately connected with the reserved hole only by ensuring that the expansion sleeve 300 is accurately connected with the reserved hole in a butt joint mode, the expansion sleeve 300 can be accurately connected with the reserved hole in a clamping mode after the expansion sleeve 300 is driven in place, the whole process is easy to observe and supervise, and pile splicing quality can be improved.

In some embodiments, as shown in fig. 1 and 2, the expansion sleeve 300 includes a connection cylinder portion 310 and an expansion portion 320 connected to the connection cylinder portion 310, the connection cylinder portion 310 may have a cylindrical shape, the connection cylinder portion 310 is provided with a through hole 301 penetrating therethrough and into which the reinforcing bars 120 are inserted, and the reinforcing bars 120 may be inserted into the through hole 301 when the expansion sleeve 300 is not expanded. The expansion part 320 is provided with an expansion hole 302 which is butted with the through hole 301 and is used for inserting the reinforcing steel bar 120, and after the reinforcing steel bar 120 is inserted into the expansion hole 302, the expansion part 320 expands outwards, so that the expansion part can be clamped and fixed in the reserved hole.

In this embodiment, reinforcing bar 120 can be the twisted steel that the surface was taken the screw thread, and the inner wall of through-hole 301 is provided with the screw thread with twisted steel looks adaptation, twisted steel and through-hole 301 threaded connection. Alternatively, the reinforcing bars 120 may be interference fitted with the through-holes 301.

Further, as shown in fig. 3, the expansion part includes a plurality of expansion pieces 321, and the expansion pieces 321 included in the expansion part surround to form expansion holes. The expansion part 321 can be bent and deformed outwards after the steel bar is inserted into the expansion hole, so that the whole expansion part 320 can be expanded and enlarged, and can be clamped and fixed in the reserved hole.

Further, as shown in fig. 2 and 3, the inside diameter of the expansion hole 302 is gradually reduced in the direction in which the reinforcing bar is inserted into the expansion hole 302, and as the depth of the reinforcing bar inserted into the expansion hole 302 increases, the reinforcing bar gradually presses the expansion member 321, so that the expansion member 321 is gradually bent and deformed outward, and the entire expansion part 320 is gradually expanded and enlarged. Compare in expansion piece 321 sudden deformation, the process of the deformation of buckling outwards gradually can make expansion piece 321 be difficult to the rupture, and expanding structure is more stable, reliable.

As shown in fig. 4, the plurality of expansion members 321 may be spaced apart from each other without being connected to each other, so that the expansion members 321 are more easily bent and deformed outward.

In some embodiments, the circumferential surface of the connecting cylinder portion 310 is provided with a stop collar 330. The limiting ring 330 limits the whole expansion sleeve 300, when the connecting cylinder part 310 and the expansion part 320 are inserted into the preformed hole of the matched tubular pile, the limiting ring 330 can abut against the end surface of the matched tubular pile, therefore, in the process of driving the steel bar 120, the steel bar 120 moves relative to the expansion sleeve 300, the steel bar 120 can be inserted into the expansion hole 302, and the expansion part 320 expands outwards.

In some embodiments, as shown in fig. 5, the first end plate 110 is provided with a plurality of first through holes 111 for the reinforcing bars to pass through, and the first through holes 111 may be evenly distributed around the center of the first end plate 110. Meanwhile, a plurality of anchoring holes 112 are formed in the first end plate 110, and a plurality of prestressed steel bars can be arranged in the first pile body and fixed in the anchoring holes 112.

The embodiment of the utility model provides a cooperation tubular pile that is connected with the tubular pile of the convenient pile extension of any above-mentioned embodiment, as shown in fig. 6, it includes second pile body 200 and second end plate 210, second end plate 210 is fixed on the terminal surface of second pile body 200, the terminal surface that the cooperation tubular pile is provided with that one end of second end plate 210 is provided with a plurality of preformed holes 201 with expansion sleeve looks adaptation, preformed hole 201 can only set up on second end plate 210 promptly, also can run through second end plate 210 and extend to the terminal surface of second pile body 200.

When pile extension, the above-mentioned tubular pile convenient for pile extension is butted with a matched tubular pile, the expansion sleeve is driven into the preformed hole 201, and after the reinforcing steel bar is inserted into the expansion sleeve, the expansion sleeve expands outwards, so that the clamping is fixed in the preformed hole 201, and the connection of the two tubular piles is realized. Compared with the traditional welding mode, the two tubular piles are connected in an expansion clamping mode, so that the pile connecting workload can be reduced, and the tubular pile connecting efficiency can be improved; meanwhile, the expansion sleeve and the preformed hole 201 can be accurately clamped after being driven in place only by ensuring the accurate butt joint of the expansion sleeve and the preformed hole 201, the whole process is easy to observe and supervise, and the pile splicing quality can be improved.

In some embodiments, the prepared hole 201 includes a second through hole 202 penetrating through the second end plate 210 and a mounting hole 203 disposed on the end face of the second pile body 200 and abutting against the second through hole 202, the diameter of the mounting hole 203 is larger than that of the second through hole 202, and the expansion sleeve can be tightly fixed in the mounting hole 203 after expanding outwards, so that the expanded expansion sleeve is difficult to disengage from the mounting hole 203, the clamping can be more stable, and the pile splicing quality is higher.

Wherein the expansion part of the above embodiment may be caught in the mounting hole 203 and the coupling cylinder part 310 may be located in the second penetration hole 202.

In some embodiments, the preformed hole 201 is filled with a flexible material to prevent the concrete from blocking the preformed hole 201 when the mating pipe pile is centrifugally formed. Before the pile is spliced, the flexible material needs to be taken out of the prepared hole 201 to leave a space for the insertion of the expansion sleeve.

The embodiment of the utility model provides a tubular pile connection structure, as shown in fig. 1, fig. 6 and fig. 8, including the tubular pile and the cooperation tubular pile of the convenient pile extension of above-mentioned arbitrary embodiment, above-mentioned embodiment can be referred to the concrete structure of the tubular pile of the relevant convenient pile extension, does not do the repeated description here. Second pile body 200 and second end plate 210, second end plate 210 is fixed on the terminal surface of second pile body 200, and the terminal surface of the end that the cooperation tubular pile is provided with second end plate 210 is provided with a plurality of preformed holes 201 with expansion sleeve looks adaptation, and preformed hole 201 can only set up on second end plate 210 promptly, also can run through second end plate 210 and extend to the terminal surface of second pile body 200. The mode of accessible striking is pegged graft expansion sleeve 300 in preformed hole 201, and expansion sleeve 300 chucking after outside inflation is fixed in preformed hole 201 to the realization makes things convenient for the tubular pile of pile extension to be connected with the cooperation tubular pile.

Compared with the traditional welding mode, the two tubular piles are connected in an expansion clamping mode, so that the pile connecting workload can be reduced, and the tubular pile connecting efficiency can be improved; meanwhile, only the expansion sleeve 300 is required to be accurately butted with the preformed hole 201, and the expansion sleeve 300 is driven in place to ensure that the expansion sleeve 300 is accurately clamped with the preformed hole 201, so that the whole process is easy to observe and supervise, and the pile splicing quality can be improved.

In some embodiments, the prepared hole 201 includes a second through hole 202 penetrating through the second end plate 210 and a mounting hole 203 disposed on an end face of the second pile body 200 and abutting against the second through hole 202, the diameter of the mounting hole 203 is larger than that of the second through hole 202, and the expansion sleeve 300 can be tightly fixed in the mounting hole 203 after being expanded outwards, so that the expanded expansion sleeve 300 is difficult to be separated from the mounting hole 203, the clamping can be more stable, and the pile splicing quality is higher.

Wherein the expansion part 320 of the above embodiment may be caught in the mounting hole 203 and the coupling cylinder part 310 may be located in the second penetration hole 202.

In some embodiments, the circumferential surface of the connecting cylinder portion 310 is provided with a stopper ring 330, and the outer diameter of the stopper ring 330 is larger than the hole diameter of the prepared hole 201. The limiting ring 330 limits the whole expansion sleeve 300, when the connecting cylinder part 310 and the expansion part 320 are inserted into the preformed hole 301 of the matching tubular pile, the limiting ring 330 can be abutted against the end surface of the matching tubular pile, therefore, in the process of driving the steel bar 120, the steel bar 120 moves relative to the expansion sleeve 300, the steel bar 120 can be inserted into the expansion hole, and the expansion part 320 expands outwards.

In order to facilitate understanding of the application by those skilled in the art, the application describes a specific construction process of the tubular pile connection structure, which includes the following steps:

s1, manufacturing a prefabricated first pile body 100 and a first end plate 110, connecting the first pile body 100 with the first end plate 110, wherein the first end plate 110 needs to be provided with a first through hole 111 through which a reinforcing steel bar 120 penetrates, and the reinforcing steel bar 120 needs to penetrate through the first through hole 111 of the first end plate 110 by a preset length so as to be connected with an expansion sleeve 300 and be driven into a reserved hole 201 of a second end plate 210.

S2, manufacturing a prefabricated second pile body 200 and a second end plate 210, connecting the second pile body 200 with the second end plate 210, arranging a preformed hole 201 for the expansion sleeve 300 to be punched into on the second pile body 200 and the second end plate 210, and burying a flexible material in the preformed hole 201 to prevent the preformed hole 201 from being blocked by concrete when the tubular pile is centrifugally formed. At this time, the first pile 100 and the second pile 200 are manufactured as shown in fig. 7.

S3, during construction, firstly connecting the steel bars 120 with the expansion sleeve 300, then taking out the flexible material in the preformed hole 201, and then driving the expansion sleeve 300 into the preformed hole 201; at this time, the retainer ring 330 of the expansion sleeve 300 is pressed against the outer surface of the second end plate 210, and at the same time, the expansion member 321 is bent to buckle the prepared hole 201, thereby fixedly connecting the two tube piles together.

The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and it is not to be understood that the specific embodiments of the present invention are limited to these descriptions. To the utility model discloses to the ordinary technical person of technical field, under the prerequisite that does not deviate from the utility model discloses the design, can also make a plurality of simple deductions or replacement.

Claims (10)

1. The utility model provides a make things convenient for pile extension's tubular pile which characterized in that: the pile comprises a first pile body and a first end plate, wherein the first end plate is fixed on the end face of the first pile body and is provided with a plurality of first through holes penetrating through the first end plate, a plurality of steel bars matched with the first through holes are embedded in the first pile body, and the steel bars penetrate through the first through holes of the first end plate and extend out of the first end plate; the end of the reinforcing bar is provided with an expansion sleeve which can be expanded outwards after the reinforcing bar is inserted into the expansion sleeve.

2. The pile tube convenient for pile extension of claim 1, wherein: the expansion sleeve comprises a connecting cylinder part and an expansion part connected with the connecting cylinder part, the connecting cylinder part is provided with a through hole penetrating through the connecting cylinder part and used for inserting the steel bar, the expansion part is provided with an expansion hole butted with the through hole and used for inserting the steel bar, and the expansion part can expand outwards after the steel bar is inserted into the expansion hole.

3. The pile tube convenient for pile extension of claim 2, wherein: the expansion part comprises a plurality of expansion pieces, and the expansion pieces included in the expansion part surround to form the expansion hole; the expansion piece can be bent and deformed outwards after the reinforcing steel bar is inserted into the expansion hole.

4. The pile tube convenient for pile extension of claim 3, wherein: the inner diameter of the expansion hole is gradually reduced in the direction in which the reinforcing steel bar is inserted into the expansion hole, and the expansion member can be gradually bent and deformed outward as the depth of the reinforcing steel bar inserted into the expansion hole increases.

5. The pile tube convenient for pile extension according to any one of claims 2-4, wherein: the circumferential surface of the connecting cylinder part is provided with a limiting ring.

6. A mating tubular pile connected with the pile conveniently piled according to any one of claims 1 to 5, characterized in that: the pipe pile comprises a second pile body and a second end plate, wherein the second end plate is fixed on the end face of the second pile body, and the end face of the end, provided with the second end plate, of the matched pipe pile is provided with a plurality of preformed holes matched with the expansion sleeve; the expansion sleeve can be clamped and fixed in the reserved hole after being expanded outwards.

7. The fitted tubular pile of claim 6, wherein: the preformed hole is including the second that runs through the second end plate perforates and set up on the second pile body terminal surface and with the mounting hole of the perforation butt joint of second, the aperture of mounting hole is greater than the fenestrate aperture of second, expansion sleeve can be fixed in the mounting hole at outside inflation back chucking.

8. The fitted tubular pile of claim 6, wherein: and flexible materials are filled in the prepared holes.

9. A tubular pile connection structure which characterized in that: the tubular pile convenient for pile extension and the matched tubular pile comprise any one of claims 1 to 5, wherein the matched tubular pile comprises a second pile body and a second end plate, the second end plate is fixed on the end face of the second pile body, and the end face of the end, provided with the second end plate, of the matched tubular pile is provided with a plurality of reserved holes matched with the expansion sleeve; the expansion sleeve is inserted in the preformed hole and is tightly clamped and fixed in the preformed hole after being expanded outwards.

10. The tubular pile connection structure according to claim 9, characterized in that: the preformed hole comprises a second perforation penetrating through the second end plate and a mounting hole which is arranged on the end face of the second pile body and is in butt joint with the second perforation, the aperture of the mounting hole is larger than that of the second perforation, and the expansion sleeve is clamped and fixed in the mounting hole after expanding outwards.

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