CN212534063U

CN212534063U - Connecting structure for precast piles

Info

Publication number: CN212534063U
Application number: CN202020542114.XU
Authority: CN
Inventors: 丘治东; 武兴坤
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2021-02-12
Anticipated expiration: 2030-04-14

Abstract

The utility model discloses a connection structure for between precast pile, including connecting from top to bottom and the structure is the same goes up precast pile and lower precast pile, goes up the precast pile and is connected with the interconnection union piece down between the precast pile, and the interconnection union piece is including the first spacing post, support column and the spacing post of second that from top to bottom connect gradually, and the support column top is through first spacing post and last precast pile looks block, and the support column bottom is through spacing post of second and lower precast pile looks block. The utility model discloses a connection structure for between precast pile can realize the stable connection of two upper and lower precast pile junctions, has improved the askew corrosion resistance performance of anti after the precast pile is connected, and simultaneously, connection structure's use is simple and efficient, and efficiency is higher.

Description

Connecting structure for precast piles

Technical Field

The utility model belongs to the technical field of the precast pile, concretely relates to a connection structure for between precast pile.

Background

With the rapid development of domestic economy, the pile foundation has strong longitudinal bearing capacity, can improve the quality of the whole project and improve the stability of the building, and is widely applied to the project. The precast pile is a pile body manufactured in a factory or on site, and mainly comprises a concrete precast pile and a steel pile. Due to the influences of factors such as transportation conditions, site conditions and hoisting, the length of the precast pile produced in a factory is generally 10-12 meters, and when long piles are needed due to poor engineering geological conditions, pile splicing needs to be carried out on the site of a construction site. In the connection structure between precast piles in the prior art, the skew resistance and corrosion resistance of the connection structure need to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a connection structure for between precast piles, including connecting from top to bottom and structure-alike upper precast pile and lower precast pile, be connected with the inner connecting piece between upper precast pile and the lower precast pile, the inner connecting piece includes first spacing post, support column and the second spacing post that connects gradually from top to bottom, the support column top is through first spacing post and the block of upper precast pile mutually, the support column bottom is through the block of second spacing post and lower precast pile mutually; go up the precast pile and all include cylindrical hollow structure's pile body and locate the main muscle in the pile body perpendicularly with lower precast pile, the pile body both ends are equipped with top end board and bottom board respectively, top end board and bottom board are ring circular structure, main muscle bottom is connected to the bottom board, main muscle top is passed the top board and is outwards extended, main muscle sets up along the circumference edge of top end board, bottom board bottom surface is connected with a plurality of sleeve pipes, sheathed tube position is corresponding with the position of main muscle, the sleeve pipe correspondence of going up the precast pile bottom cup joints with the main muscle on precast pile top down mutually.

Further, in the above-mentioned case,

the top end plate is characterized in that a pair of sliding grooves are vertically formed in the inner wall of the center of the top end plate annular structure, the tops of the sliding grooves extend to the top surface of the top end plate, the bottom ends of the sliding grooves are communicated with clamping grooves, clamping blocks matched with the sliding grooves and the clamping grooves are arranged on the outer wall of the second limiting column of the inner connecting piece, and the second limiting column of the inner connecting piece can slide downwards along the sliding grooves and then rotate into the clamping grooves to be clamped with the second limiting column.

Further, in the above-mentioned case,

the top end and the bottom end of the outer wall of the support column are respectively provided with a clamping ring, and the clamping rings are correspondingly arranged at the joints of the support column and the second limiting column and the first limiting column.

Further, in the above-mentioned case,

the sleeve is provided with a small hole, and an anti-corrosion adhesive is filled in the gap between the main rib and the sleeve through the small hole.

Further, in the above-mentioned case,

and an external connecting piece is also connected between the upper precast pile and the lower precast pile.

Further, in the above-mentioned case,

the outer connecting piece is a sleeve symmetrically arranged in an encircling mode and connected with the sleeve, the sleeve is of a semi-annular cylindrical structure, wing plates are correspondingly arranged at two ends of the sleeve, and the outer connecting piece is clamped on the outer wall of the upper precast pile and the outer wall of the lower precast pile through the wing plates.

The beneficial effects of the utility model are specifically as follows:

the connecting structure used between the precast piles can realize the stable connection of the joints of the upper precast pile and the lower precast pile, improves the anti-skew and anti-corrosion performances after the precast piles are connected, and simultaneously, the connecting structure is simple, convenient and quick to use and has higher efficiency;

the utility model discloses a connection structure for between precast pile, when needs will go up the precast pile and connect with lower precast pile, its theory of operation is: firstly, connecting an inner connecting piece with a lower precast pile, specifically, clamping a second limiting column of the inner connecting piece into the center of a top end plate of the lower precast pile and extending into a hollow structure of a pile body, and clamping a support column of the inner connecting piece on the top end plate of the lower precast pile through a clamping ring; then, the upper precast pile is clamped with the inner connecting piece, specifically, a first limiting column of the inner connecting piece is clamped into the center of a bottom end plate of the upper precast pile through a clamping ring and extends into a hollow structure of the pile body, at the moment, a sleeve of the upper precast pile is correspondingly sleeved on a main rib of the lower precast pile, and a supporting column is supported between the upper precast pile and the lower precast pile; then, injecting anti-corrosion glue into the small holes of the sleeve, and carrying out anti-corrosion protection on the main ribs while enhancing the connection strength of the sleeve and the main ribs; and finally, installing external connecting pieces on the upper precast pile and the lower precast pile to complete the stable connection of the upper precast pile and the lower precast pile.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic perspective view of an embodiment in which an upper precast pile and a lower precast pile are connected;

FIG. 2 is a perspective view of an embodiment of an inner connecting member in a connected state;

FIG. 3 is an exploded schematic view of FIG. 2;

FIG. 4 is a schematic perspective view of the pile body in the embodiment;

FIG. 5 is an enlarged schematic view at the top endplate of FIG. 4;

FIG. 6 is a schematic perspective view of the bottom end plate of the embodiment;

FIG. 7 is a perspective view of an embodiment of an inner connector;

FIG. 8 is a perspective view of the sleeve according to the embodiment;

labeled as: 1. arranging a precast pile; 2. lower precast piles; 3. a pile body; 31. a top end plate; 311. a main rib; 312. a chute; 313. a clamping groove; 314. a limiting groove; 32. a bottom end plate; 321. a sleeve; 3211. a small hole; 4. an inner connecting member; 41. a first limit post; 42. a support pillar; 43. a second limit post; 44. clamping a ring; 45. a clamping block; 5. an outer connecting member; 51. a sleeve; 52. a limiting plate; 53. a wing plate.

Detailed Description

The present invention will be further described with reference to the following specific examples. These examples are provided only for illustrating the present invention and are not intended to limit the scope of the present invention. The structural features of the present invention will now be described in detail with reference to the accompanying drawings.

Referring to fig. 1, the present embodiment provides a connection structure for precast piles, which can be stably connected between an upper precast pile 1 and a lower precast pile 2 connected up and down.

Referring to fig. 1 and fig. 2, the connection structure for precast piles according to the present embodiment includes an inner connection member 4 and an outer connection member 5, which are disposed inside and outside, and referring to fig. 7, the inner connection member 4 includes a first limiting column 41, a supporting column 42, and a second limiting column 43, which are sequentially connected from top to bottom, the top end of the supporting column 42 is engaged with the upper precast pile 1 through the first limiting column 41, and the bottom end of the supporting column 42 is engaged with the lower precast pile 2 through the second limiting column 43.

Referring to fig. 4, the upper precast pile 1 and the lower precast pile 2 in this embodiment have the same structure, which specifically includes: including the pile body 3 of concrete and the steel reinforcement cage who supports in pile body 3, pile body 3 is cylindrical hollow structure, pile body 3 both ends are equipped with top end board 31 and bottom end board 32 respectively, top end board 31 and bottom end board 32 are the ring structure, the steel reinforcement cage includes perpendicular main muscle 311 that sets up, main muscle 311 bottom is connected to bottom end board 32, see fig. 5, main muscle 311 top is passed top end board 31 and is outwards extended, main muscle 311 sets up along the circumference edge of top end board 31, see fig. 6, bottom end board 32 bottom surface is connected with a plurality of sleeve pipes 321, the position of sleeve pipe 321 corresponds with the position of main muscle 311, be equipped with aperture 3211 on the sleeve pipe 321.

Referring to fig. 2 in combination with fig. 4, when the upper precast pile 1 and the lower precast pile 2 are connected, the upper precast pile 1 is sleeved with the main reinforcement 311 of the lower precast pile 2 through the sleeve 321 of the bottom end plate 32, and the gap between the main reinforcement 311 and the sleeve 321 is filled with an anti-corrosion adhesive through the small hole 3211.

Referring to fig. 5, the central inner wall of the annular structure of the top end plate 31 is vertically provided with a pair of sliding grooves 312, the sliding grooves 312 are symmetrically provided, the top of the sliding grooves 312 extends to the top surface of the top end plate 31, the bottom end of the sliding grooves 312 is communicated with a clamping groove 313, referring to fig. 3 and with reference to fig. 7, the outer wall of the second limiting post 43 of the inner connecting member 4 is provided with a clamping block 45 adapted to the sliding grooves 312 and the clamping groove 313, and the second limiting post 43 of the inner connecting member 4 can slide downwards along the sliding grooves 312 and then rotate into the clamping groove 313 for clamping.

Further, referring to fig. 7, the top end and the bottom end of the outer wall of the supporting column 42 are provided with a snap ring 44, and the snap ring 44 is correspondingly arranged at the joint of the supporting column 42, the second position-limiting column 43 and the first position-limiting column 41.

When the upper precast pile 1 and the lower precast pile 2 need to be connected, firstly, the inner connecting piece 4 is connected with the lower precast pile 2, specifically, the second limiting column 43 of the inner connecting piece 4 is clamped into the center of the top end plate 31 of the lower precast pile 2 and extends into the hollow structure of the pile body 3, and the supporting column 42 of the inner connecting piece 4 is clamped on the top end plate 31 of the lower precast pile 2 through the clamping ring 44; then, the upper precast pile 1 is clamped with the inner connecting piece 4, specifically, the first limiting column 41 of the inner connecting piece 4 is clamped into the center of the bottom end plate 32 of the upper precast pile 1 through the clamping ring 44 and extends into the hollow structure of the pile body 3, at this time, the sleeve 321 of the upper precast pile 1 is correspondingly sleeved on the main rib 311 of the lower precast pile 2, and the supporting column 42 is supported between the upper precast pile 1 and the lower precast pile 2; then, injecting anti-corrosion glue into the small hole 3211 of the sleeve 321, and performing anti-corrosion protection on the main rib 311 while enhancing the connection strength between the sleeve 321 and the main rib 311; and finally, installing an external connecting piece 5 on the upper precast pile 1 and the lower precast pile 2 to complete the stable connection of the upper precast pile 1 and the lower precast pile 2.

Referring to fig. 1 and fig. 8, in this embodiment, the external connecting member 5 is a sleeve 51 symmetrically connected in an encircling manner, the sleeve 51 is a semi-annular cylindrical structure, two ends of the sleeve 51 are correspondingly provided with wing plates 53, the sleeve 51 is connected by bolts arranged on the wing plates 53 or by welding through the wing plates 53, and the external connecting member 5 is clamped on the outer walls of the upper precast pile 1 and the lower precast pile 2. Further, referring to fig. 5 in combination with fig. 6, in this embodiment, the edges of the top end plate 31 and the bottom end plate 32 are embedded with the limiting grooves 314, the inner wall of the sleeve 51 is provided with the limiting plates 52, and after the external connecting member 5 is connected with the upper precast pile 1 and the lower precast pile 2, the top ends and the bottom ends of the limiting plates 52 are clamped in the limiting grooves 314.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The connecting structure for the precast piles comprises an upper precast pile (1) and a lower precast pile (2) which are connected up and down and have the same structure, and is characterized in that an inner connecting piece (4) is connected between the upper precast pile (1) and the lower precast pile (2), the inner connecting piece (4) comprises a first limiting column (41), a supporting column (42) and a second limiting column (43) which are sequentially connected from top to bottom, the top end of the supporting column (42) is clamped with the upper precast pile (1) through the first limiting column (41), and the bottom end of the supporting column (42) is clamped with the lower precast pile (2) through the second limiting column (43); go up precast pile (1) and lower precast pile (2) and all include cylindrical hollow structure's pile body (3) and locate main muscle (311) in pile body (3) perpendicularly, pile body (3) both ends are equipped with top end board (31) and bottom board (32) respectively, top end board (31) and bottom board (32) are the ring annular structure, main muscle (311) bottom is connected to bottom board (32), main muscle (311) top is passed top end board (31) and is outwards extended, main muscle (311) are along the circumference edge setting of top end board (31), bottom board (32) bottom surface is connected with a plurality of sleeve pipes (321), the position of sleeve pipe (321) is corresponding with the position of main muscle (311), sleeve pipe (321) of going up precast pile (1) bottom corresponds and cup joints with main muscle (311) on precast pile (2) top down mutually.

2. A connection structure for precast piles according to claim 1, wherein: the top end plate (31) is characterized in that a sliding groove (312) is vertically formed in the central inner wall of the annular structure of the top end plate (31), a pair of sliding grooves (312) is symmetrically formed in the sliding grooves (312), the top of each sliding groove (312) extends to the top surface of the top end plate (31), the bottom end of each sliding groove (312) is communicated with a clamping groove (313), a clamping block (45) matched with the sliding groove (312) and the clamping groove (313) is arranged on the outer wall of a second limiting column (43) of the inner connecting piece (4), and the second limiting column (43) of the inner connecting piece (4) can slide downwards along the sliding grooves (312) and then rotate into the clamping groove (.

3. A connection structure for precast piles according to claim 1, wherein: the top end and the bottom end of the outer wall of the supporting column (42) are respectively provided with a clamping ring (44), and the clamping rings (44) are correspondingly arranged at the joint of the supporting column (42) and the second limiting column (43) as well as the first limiting column (41).

4. A connection structure for precast piles according to claim 1, wherein: the sleeve (321) is provided with small holes (3211), and the gap between the main rib (311) and the sleeve (321) is filled with anti-corrosion adhesive through the small holes (3211).

5. A connection structure for precast piles according to claim 1, wherein: an outer connecting piece (5) is connected between the upper precast pile (1) and the lower precast pile (2).

6. A connection structure for precast piles according to claim 5, wherein: the outer connecting piece (5) is symmetrically provided with sleeves (51) which are connected in an encircling manner, the sleeves (51) are of semi-annular cylindrical structures, wing plates (53) are correspondingly arranged at two ends of each sleeve (51), and the outer connecting piece (5) is clamped on the outer walls of the upper precast pile (1) and the lower precast pile (2) through the wing plates (53).