CN217267417U

CN217267417U - Rock-socketed pile

Info

Publication number: CN217267417U
Application number: CN202220954284.8U
Authority: CN
Inventors: 葛智平; 李连宝; 丁明稳; 李宇生
Original assignee: Tengda Construction Group Co Ltd
Current assignee: Tengda Construction Group Co Ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-08-23
Anticipated expiration: 2032-04-24

Abstract

The utility model belongs to the technical field of the construction, a rock-socketed pile is disclosed, including sleeve, steel reinforcement cage and locating component. Wherein the sleeve is configured to be at least partially inserted into a rock formation, the sleeve further being configured to enable casting of concrete therein; the steel reinforcement cage is inserted into the sleeve and comprises vertical steel reinforcements and annular steel reinforcements, and the vertical steel reinforcements are connected to the circumferential direction of the annular steel reinforcements; the positioning assembly is connected to the sleeve, a plurality of positioning holes are formed in the positioning assembly, a plurality of vertical steel bars correspond to the positioning holes one to one, and each vertical steel bar penetrates through one positioning hole and is connected with the fixing nut. Through the fixed position of locating component with steel reinforcement cage, prevent that steel reinforcement cage from taking place the skew at slip casting in-process, effectively improved the structural strength after the rock-socketed pile shaping.

Description

Rock-socketed pile

Technical Field

The utility model relates to a construction technical field especially relates to an embedded rock pile.

Background

In a pile foundation structure, the rock-socketed pile has the advantages of high bearing capacity and small settlement, and is widely applied to the fields of highways, bridges, ports, wind power and the like.

The socketed pile is a cast-in-situ bored pile which is cast in a hard rock stratum by a certain length at the lower part of the pile, and can be called as a socketed pile as long as the pile end is embedded in the rock mass no matter how weathered the rock mass, and the characteristic difference of the socketed pile embedded in the rock mass with different characteristics is caused by the characteristic difference of the rock mass.

When the rock-socketed pile is constructed, firstly, holes are dug mechanically or manually, the lower part of a steel pipe pile or a pouring sleeve is placed in the holes, and meanwhile, dregs in the holes are removed; then, placing the prefabricated reinforcement cage in the steel pipe pile or the pouring sleeve; and finally, pouring concrete, and finishing the construction of the rock-socketed pile after the concrete is air-dried and formed. However, the existing rock-socketed pile is inconvenient to position a reinforcement cage in a grouting process during concrete pouring in a construction process, and the position of the reinforcement cage deviates, so that the structural strength of the rock-socketed pile is reduced very easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rock-socketed pile, its location effect at the work progress steel reinforcement cage is good, and the structural strength after the rock-socketed pile shaping is high.

To achieve the purpose, the utility model adopts the following technical proposal:

a rock-socketed pile comprising:

a sleeve configured to be at least partially inserted into a rock formation, the sleeve further configured to enable placement of concrete therein;

the steel reinforcement cage is inserted into the sleeve and comprises vertical steel reinforcements and annular steel reinforcements, and the vertical steel reinforcements are connected to the circumferential direction of the annular steel reinforcements;

the positioning assembly is connected with the sleeve, a plurality of positioning holes are formed in the positioning assembly, the vertical steel bars correspond to the positioning holes one to one, and each vertical steel bar penetrates through one positioning hole and is connected with a fixing nut.

Optionally, a positioning protrusion is arranged on the inner wall of the sleeve, the positioning assembly comprises a positioning plate, the positioning hole is formed in the positioning plate, and the positioning plate abuts against the positioning protrusion.

Optionally, the positioning plate is annular, and the diameter of the positioning plate is smaller than the inner diameter of the sleeve.

Optionally, the positioning assembly further includes a limiting plate, and the limiting plate can abut against the positioning plate and is connected to the sleeve.

Optionally, the limiting plate includes butt portion and connecting portion, the one end of butt portion supports and presses the locating plate, the other end with connecting portion link firmly, connecting portion with butt portion is the contained angle, paste lean on in the sleeve, connecting portion pass through fixing bolt with muffjoint.

Optionally, the limiting plate is provided with a plurality of limiting plates, and the plurality of limiting plates are arranged at intervals along the circumferential direction of the sleeve.

Optionally, the reinforcement cage further includes a connecting member, the connecting member includes a first connecting block and a second connecting block, the first connecting block is provided with a first arc-shaped groove, the second connecting block is correspondingly provided with a second arc-shaped groove, the first connecting block is butted with the second connecting block, so that the first arc-shaped groove and the second arc-shaped groove are spliced to form a first connecting hole, and the annular reinforcement bar penetrates through the first connecting hole;

still set up first via hole on the first connecting block, the axial cross-section perpendicular to of first via hole the axial cross-section of first arc wall, the corresponding second via hole of seting up on the second connecting block, the axial cross-section perpendicular to of second via hole the axial cross-section of second arc wall, first connecting block with the butt joint of second connecting block, first via hole with the axis coincidence of second via hole, vertical reinforcing bar wears to establish in proper order first via hole with the second via hole.

Optionally, a buckle is arranged on one of the first connecting block and the second connecting block, and a clamping groove matched with the buckle is arranged on the other connecting block.

Optionally, the inner wall of the sleeve is provided with a plurality of reinforcing ribs along the circumferential direction of the sleeve, and the plurality of reinforcing ribs are distributed at intervals along the axial direction of the sleeve.

Optionally, the sleeve comprises a socketed pile sleeve and a base sleeve, the base sleeve is coaxially connected to the bottom of the socketed pile sleeve, and the diameter of the base sleeve gradually increases along the axial direction of the socketed pile sleeve.

The utility model has the advantages that:

the utility model provides an embedded rock pile, including sleeve, steel reinforcement cage and locating component, the sleeve can insert in the stratum, and in the steel reinforcement cage inserted the sleeve, to pouring concrete in the sleeve, then concrete and steel reinforcement cage air-dry the back and form the embedded rock pile, and the steel reinforcement cage can improve the structural strength who inlays the rock pile. The steel reinforcement cage includes vertical reinforcing bar and annular reinforcing bar, and the diameter of annular reinforcing bar is less than telescopic internal diameter, and a plurality of vertical steel bar connection are in the circumference of annular reinforcing bar, that is to say, the steel reinforcement cage is cylindrically, and is similar with the sleeve shape, is convenient for put into in the sleeve. The positioning assembly is connected to the reinforcement cage and fixed to the sleeve. Specifically, a plurality of locating holes are formed in the locating component, a plurality of vertical reinforcing steel bars correspond to the locating holes one by one, and each vertical reinforcing steel bar penetrates through one locating hole and is connected with the fixing nut. Through the fixed position of locating component with steel reinforcement cage, prevent that steel reinforcement cage from taking place the skew at slip casting in-process to further improve the structural strength after the rock-socketed pile shaping.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a cross-sectional view of a socketed pile according to an embodiment of the present invention;

fig. 2 is a top view of a socketed pile according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a reinforcement cage according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a connecting member according to an embodiment of the present invention.

In the figure:

1. a sleeve; 11. socketed pile sleeves; 111. positioning the projection; 112. a threaded projection; 12. a base sleeve; 13. reinforcing ribs; 14. a conical cutter head;

2. a reinforcement cage; 21. vertical reinforcing steel bars; 22. annular reinforcing steel bars; 23. a connecting member; 231. a first connection block; 2311. a first arc-shaped slot; 2312. a first via hole; 2313. buckling; 232. a second connecting block; 2321. a second arc-shaped slot; 2322. a second via hole; 2323. a card slot;

3. a positioning assembly; 31. positioning a plate; 311. positioning holes; 32. fixing a nut; 33. a limiting plate; 331. an abutting portion; 332. a connecting portion; 34. and (5) fixing the bolt.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

The present embodiment provides a rock-socketed pile comprising a sleeve 1, a reinforcement cage 2 and a locating assembly 3, as shown in figure 1.

Wherein the sleeve 1 is configured to be at least partially inserted into a rock formation, concrete is poured into the sleeve 1, and after the concrete is air-dried, a rock-socketed pile is formed. In this embodiment, and with particular reference to fig. 1, the sleeve 1 is, from top to bottom, a socketed pile sleeve 11, a base sleeve 12 and a conical cutter head 14 attached to the bottom of the base sleeve 12. The conical cutter head 14 can cut rock strata when the sleeve 1 is driven into the rock strata, so that the construction progress is accelerated. The base sleeve 12 is coaxially connected to the bottom of the socketed pile sleeve 11, and the diameter of the base sleeve 12 gradually increases along the axial direction of the socketed pile sleeve 11, that is, the axial section of the base sleeve 12 is in the shape of a circular truncated cone with the top diameter smaller than the bottom diameter. After concrete pouring is finished, the diameter of the bottom of the air-dried rock-socketed pile is larger, the contact area with the ground is large, and the pile foundation is more stable.

Optionally, with continued reference to fig. 1, the inner wall of the socketed pile sleeve 11 is provided with reinforcing ribs 13 along its circumferential direction, and a plurality of reinforcing ribs 13 are spaced apart along its axial direction. Adopt welding integration setting between strengthening rib 13 and the socketed pile sleeve 11, and equidistant welding is in the inside of socketed pile sleeve 11 to further increase its connection reliability. Of course, in other embodiments, the arrangement distance of the reinforcing ribs 13 may be selected according to actual requirements, and is not limited herein.

Further optionally, the outer side of the socketed pile sleeve 11 is integrally formed with a threaded projection 112, and the purpose of conveniently and effectively improving the structural strength of the socketed pile can be achieved through the threaded projection 112 on the outer wall of the socketed pile sleeve 11 and the reinforcing ribs 13 inside the socketed pile sleeve 11, so that the reliability of the device in use is ensured.

When in construction, the conical cutter head 14 of the sleeve 1 is driven into a rock stratum through a pile driver or other machinery; then the sleeve 1 is integrally drilled into the rock stratum through a drilling machine; after drilling, slag removal treatment is carried out on the interior of the sleeve 1, and the prefabricated reinforcement cage 2 is placed; and finally, pouring concrete.

Specifically, as shown in fig. 1 to 3, the reinforcement cage 2 in the present embodiment includes vertical reinforcements 21 and annular reinforcements 22, the diameter of the annular reinforcements 22 is smaller than the inner diameter of the sleeve 1, and a plurality of vertical reinforcements 21 are connected to the circumferential direction of the annular reinforcements 22. That is to say, steel reinforcement cage 2 is cylindrically, and is similar with sleeve 1 shape, is convenient for put into sleeve 1, and can not influence the pouring of concrete. Preferably, the annular reinforcing bars 22 are provided in plurality, and a plurality of annular reinforcing bars 22 are provided at intervals along the axial direction of the socketed pile sleeve 11 to further enhance the structural strength of the reinforcement cage 2.

Optionally, as shown in fig. 3 and 4, the reinforcement cage 2 in this embodiment further includes a connecting member 23, the connecting member 23 includes a first connecting block 231 and a second connecting block 232, the first connecting block 231 defines a first arc-shaped groove 2311, the second connecting block 232 correspondingly defines a second arc-shaped groove 2321, the first connecting block 231 is butted with the second connecting block 232, so that the first arc-shaped groove 2311 and the second arc-shaped groove 2321 are spliced to form a first connecting hole, and the annular reinforcement 22 penetrates through the first connecting hole. The first connecting block 231 is further provided with a first through hole 2312, the axial cross section of the first through hole 2312 is perpendicular to the axial cross section of the first arc-shaped groove 2311, the second connecting block 232 is correspondingly provided with a second through hole 2322, the axial cross section of the second through hole 2322 is perpendicular to the axial cross section of the second arc-shaped groove 2321, the first connecting block 231 is in butt joint with the second connecting block 232, the axes of the first through hole 2312 and the second through hole 2322 are overlapped, and the vertical steel bars 21 sequentially penetrate through the first through hole 2312 and the second through hole 2322. Specifically, in the present embodiment, the connecting member 23 formed by the first connecting block 231 and the second connecting block 232 after being butted has a rectangular parallelepiped shape. There are two first and

second arc grooves

2311 and 2321, respectively, and there are two first connection holes. The axial cross sections of the first via 2312 and the second via 2322 are perpendicular to the axial cross sections of the first connection holes, and the first via 2312 and the second via 2322 are sandwiched between the two first connection holes. That is to say, the number of the annular reinforcing bars 22 in this embodiment is two, the two annular reinforcing bars 22 have different diameters and are coaxially disposed, the two annular reinforcing bars 22 respectively penetrate through the two first connecting holes, and the vertical reinforcing bar 21 is sandwiched between the two annular reinforcing bars 22.

Optionally, with continued reference to fig. 4, one of the first connection block 231 and the second connection block 232 is provided with a buckle 2313, and the other is provided with a slot 2323 cooperating with the buckle 2313. Through clamping buckle 2313 and installing in draw-in groove 2323, can conveniently fix annular reinforcing bar 22 and vertical reinforcing bar 21, labour saving and time saving, and help improving steel reinforcement cage 2's structural strength.

In order to fix a position steel reinforcement cage 2 at the slip casting in-process, prevent that it from taking place the skew, and then influence the structural strength of socketed pile, as shown in fig. 1 and fig. 2, the socketed pile in this embodiment still includes locating component 3, connects in steel reinforcement cage 2 and is fixed in the inner wall of sleeve 1.

Specifically, the positioning assembly 3 includes a positioning plate 31, a plurality of positioning holes 311 are formed in the positioning plate 31, a plurality of vertical steel bars 21 are in one-to-one correspondence with the positioning holes 311, and each vertical steel bar 21 penetrates through one positioning hole 311 and is connected to the fixing nut 32. Through locating plate 31, can be fixed a plurality of vertical reinforcement 21's relative position, prevent to pour the in-process vertical reinforcement 21 atress and crook, and then influence steel reinforcement cage 2's structure.

Alternatively, referring to fig. 1, a locating projection 111 is provided on the inner wall of the socketed pile sleeve 11, and the locating plate 31 abuts against the locating projection 111. In this embodiment, the inner wall of the socketed pile sleeve 11 is provided with annular positioning protrusion 111 near the upper end socket, and the positioning plate 31 abuts against the positioning protrusion 111, so as to hang the reinforcement cage 2 in the socketed pile sleeve 11, thereby positioning the reinforcement cage 2 and not affecting the pouring of the subsequent concrete. Specifically, the positioning plate 31 is annular, the diameter of the positioning plate 31 is smaller than the inner diameter of the sleeve 1, and concrete can be poured into the rock-socketed pile sleeve 11 from the inner hole of the positioning plate 31.

Optionally, with continued reference to fig. 1, the positioning assembly 3 further includes a limiting plate 33, and the limiting plate 33 can press the positioning plate 31 and is connected to the sleeve 1. Specifically, the limiting plate 33 includes an abutting portion 331 and a connecting portion 332, one end of the abutting portion 331 abuts against the positioning plate 31, the other end of the abutting portion 331 is fixedly connected to the connecting portion 332, the connecting portion 332 forms an included angle with the abutting portion 331 and abuts against the sleeve 1, and the connecting portion 332 is connected to the sleeve 1 through the fixing bolt 34. More specifically, the connecting portion 332 is perpendicular to the abutting portion 331, one end of the abutting portion 331 extends into the socketed pile sleeve 11 and abuts against the positioning plate 31, and the connecting portion 332 is located outside the socketed pile sleeve 11 and connected to the side wall of the opening.

Alternatively, referring to fig. 2, the restriction plate 33 is provided in plurality, and the plurality of restriction plates 33 are provided at intervals in the circumferential direction of the sleeve 1. In this embodiment, limiting plate 33 is provided with four, and four limiting plates 33 evenly distributed are in the circumference of socketed pile sleeve 11, guarantee locating plate 31 atress balance. Certainly, in other embodiments, the number of the limiting plates 33 can be determined according to actual requirements, and at least three limiting plates 33 should be arranged to ensure that the stress of the limiting plates 33 is balanced.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A rock-socketed pile, comprising:

a sleeve (1), the sleeve (1) being configured to be at least partially inserted into a rock formation, the sleeve (1) further being configured to enable casting of concrete therein;

the reinforcement cage (2) is inserted into the sleeve (1), the reinforcement cage (2) comprises vertical reinforcements (21) and annular reinforcements (22), and the vertical reinforcements (21) are connected to the periphery of the annular reinforcements (22);

the positioning assembly (3) is connected with the sleeve (1), a plurality of positioning holes (311) are formed in the positioning assembly (3), the vertical steel bars (21) correspond to the positioning holes (311) one by one, and each vertical steel bar (21) penetrates through one positioning hole (311) and is connected with a fixing nut (32).

2. A rock-socketed pile according to claim 1, characterized in that the sleeve (1) is provided with a positioning projection (111) on its inner wall, the positioning assembly (3) comprising a positioning plate (31), the positioning hole (311) opening onto the positioning plate (31), the positioning plate (31) abutting against the positioning projection (111).

3. A socketed pile according to claim 2, characterized in that the locating plate (31) is ring-shaped, the diameter of the locating plate (31) being smaller than the inner diameter of the sleeve (1).

4. A socketed pile according to claim 2, characterized in that the positioning assembly (3) further comprises a limiting plate (33), the limiting plate (33) being able to press against the positioning plate (31) and being connected to the sleeve (1).

5. A rock-socketed pile according to claim 4, characterized in that the limiting plate (33) comprises an abutting portion (331) and a connecting portion (332), one end of the abutting portion (331) abuts against the locating plate (31), the other end of the abutting portion is fixedly connected with the connecting portion (332), the connecting portion (332) forms an included angle with the abutting portion (331) and abuts against the sleeve (1), and the connecting portion (332) is connected with the sleeve (1) through a fixing bolt (34).

6. A rock-socketed pile according to claim 4, characterized in that the limit plate (33) is provided in plurality, a plurality of the limit plates (33) being provided at intervals along the circumference of the sleeve (1).

7. A rock-socketed pile according to claim 1, characterized in that the reinforcement cage (2) further comprises a connecting member (23), the connecting member (23) comprises a first connecting block (231) and a second connecting block (232), the first connecting block (231) is provided with a first arc-shaped slot (2311), the second connecting block (232) is correspondingly provided with a second arc-shaped slot (2321), the first connecting block (231) is butted with the second connecting block (232) so that the first arc-shaped slot (2311) and the second arc-shaped slot (2321) are spliced to form a first connecting hole, and the annular reinforcement (22) penetrates through the first connecting hole;

the first connecting block (231) is further provided with a first through hole (2312), the axial section of the first through hole (2312) is perpendicular to the axial section of the first arc-shaped groove (2311), the second connecting block (232) is correspondingly provided with a second through hole (2322), the axial section of the second through hole (2322) is perpendicular to the axial section of the second arc-shaped groove (2321), the first connecting block (231) is in butt joint with the second connecting block (232), the axial lines of the first through hole (2312) and the second through hole (2322) are overlapped, and the vertical steel bar (21) penetrates through the first through hole (2312) and the second through hole (2322) in sequence.

8. A socketed pile according to claim 7, characterized in that one of the first connecting block (231) and the second connecting block (232) is provided with a catch (2313) and the other with a catch (2323) cooperating with the catch (2313).

9. A rock-socketed pile according to any one of claims 1 to 8, characterized in that the sleeve (1) has reinforcing ribs (13) provided on its inner wall along its circumference, a plurality of said reinforcing ribs (13) being spaced apart along its axial direction.

10. A rock-socketed pile according to any one of claims 1 to 8, characterized in that the sleeve (1) comprises a rock-socketed pile sleeve (11) and a base sleeve (12), the base sleeve (12) being coaxially connected to the bottom of the rock-socketed pile sleeve (11), the diameter of the base sleeve (12) gradually increasing in the axial direction of the rock-socketed pile sleeve (11).