CN212477704U

CN212477704U - High-stability precast concrete square pile connecting joint

Info

Publication number: CN212477704U
Application number: CN202020449800.2U
Authority: CN
Inventors: 崔志龙
Original assignee: Jiangsu Yanfa Pile Industry Co Ltd
Current assignee: Jiangsu Yanfa Pile Industry Co Ltd
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2021-02-05
Anticipated expiration: 2030-04-01

Abstract

The utility model relates to a construction equipment technical field just discloses high stability precast concrete square pile attach fitting, including first stake, the bottom fixed mounting of first stake has the embedded head in advance, the top swing joint of first stake has the fixed block, the outer fixed surface of fixed block has cup jointed outer cover piece. This high stability precast concrete square pile attach fitting, through setting up the round mouth, end opening and locating pin, because the cooperation between round mouth and the locating pin, thereby make first stake can play good positioning action to fixed block and outer cover piece, make its top of installing at first stake that can be stable, and because the cooperation between end opening and the locating pin, will fix a position the bottom of second stake, make the inside of placing in outer cover piece that its bottom can be stable, thereby guaranteed the stability of second stake in the erection joint in-process, consequently, this attach fitting's practicality has been increased.

Description

High-stability precast concrete square pile connecting joint

Technical Field

The utility model relates to a construction equipment technical field specifically is high stability precast concrete side's stake attach fitting.

Background

The square pile is a hollow or solid cylinder body slender concrete prefabricated component made by adopting a pretensioning method prestressing process and a centrifugal forming method, and generally comprises a square pile body, an end plate, a steel ferrule and the like.

At present, constructor is in the foundation ditch operation, concrete square pile often need to be used, and concrete square pile is at the in-process of in-service use, often need use attach fitting, thereby increase the length of concrete square pile in order to satisfy constructor's demand, and current square pile attach fitting is at the in-process that uses, although possessed the connection effect between the concrete square pile, but because the stability of its installation is relatively poor, thereby it is firm inadequately to have led to between the concrete square pile who connects, and then brought harmful effects to constructor's use, consequently, need improve it.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a high stability precast concrete square pile attach fitting possesses the high advantage of installation stability, has solved current square pile attach fitting at the in-process that uses, has possessed the connection effect between the concrete square pile, but because the stability of its installation is relatively poor to lead to firm inadequately between the concrete square pile who connects, and then used the problem of having brought harmful effects to constructor.

The utility model provides a following technical scheme: the high-stability precast concrete square pile connecting joint comprises a first pile column, wherein a pre-buried head is fixedly mounted at the bottom of the first pile column, a fixed block is movably connected to the top of the first pile column, an outer sleeve block is fixedly sleeved on the outer surface of the fixed block, the inner wall of the outer sleeve block is movably connected with the outer surface of the top end of the first pile column, a round opening is formed in the fixed block, a second pile column is movably connected to the top of the fixed block, the outer surface of the bottom end of the second pile column is movably connected with the inner wall of the outer sleeve block, a bottom opening is formed in the bottom of the second pile column, a positioning pin positioned in the round opening is fixedly mounted at the top of the first pile column, the top end of the positioning pin is positioned in the bottom opening, first inner side sleeves are fixedly sleeved at the bottoms of two sides of the second pile column, second inner side sleeves are fixedly sleeved at two sides of the top of the first, the inner portions of the first inner side sleeve and the second inner side sleeve are in threaded sleeve connection with fixing bolts, and the other ends of the fixing bolts penetrate through the outer sleeve block and extend to the outer portion of the outer sleeve block.

Preferably, the round mouth, the bottom mouth and the positioning pins are the same in number, and the positioning pins are respectively matched with the round mouth and the bottom mouth.

Preferably, the first inner sleeve is internally provided with threads, and the threads inside the first inner sleeve are matched with the threads on the outer surface of the fixing bolt.

Preferably, the interiors of the first pile and the second pile are hollow.

Preferably, the length of the positioning pin in the vertical direction is equal to the sum of the lengths of the round opening and the bottom opening in the vertical direction.

Preferably, the clamping grooves are formed in the top and the bottom of the front and the back of the outer sleeve block, the first limiting shaft located inside the clamping grooves is fixedly mounted on the front and the back of the second pile, and the second limiting shaft located inside the clamping grooves is fixedly mounted on the front and the back of the first pile.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this high stability precast concrete square pile attach fitting, through setting up the round mouth, end opening and locating pin, because the cooperation between round mouth and the locating pin, thereby make first stake can play good positioning action to fixed block and outer cover piece, make its top of installing at first stake that can be stable, and because the cooperation between end opening and the locating pin, will fix a position the bottom of second stake, make the inside of placing in outer cover piece that its bottom can be stable, thereby guaranteed the stability of second stake in the erection joint in-process, consequently, this attach fitting's practicality has been increased.

2. This high stability precast concrete square pile attach fitting, through setting up first inboard cover, second inboard cover and fixing bolt, because cooperation between first inboard cover, second inboard cover and the fixing bolt will make the connection of fastening between first stake, outer cover piece and the second stake, simultaneously because its simple structure and simple and convenient installation operation to constructor's installation and dismantlement efficiency have been improved, consequently further increase this attach fitting's practicality.

3. This high stability precast concrete side's stake attach fitting, through setting up the draw-in groove, first spacing axle and the spacing axle of second, because the cooperation between draw-in groove and the first spacing axle, will fix a position the position of second stake, thereby guaranteed that first inboard cover and fixing bolt are in horizontal position, and the cooperation between draw-in groove and the spacing axle of second, will guarantee that second inboard cover and fixing bolt are in horizontal position, thereby made things convenient for constructor to first stake, it is fixed to assemble between outer cover piece and the second stake, consequently, this attach fitting's practicality has been improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic top view of the first pile of the present invention;

FIG. 4 is a schematic view of the inner structure of the outer casing block of the present invention;

fig. 5 is a schematic structural view of the installation joint of the present invention.

In the figure: 1. a first pile; 2. pre-burying a head; 3. a fixed block; 4. an outer sleeve block; 5. a round mouth; 6. a second pile; 7. a bottom opening; 8. positioning pins; 9. a first inner jacket; 10. a second inner jacket; 11. fixing the bolt; 12. a card slot; 13. a first limit shaft; 14. a second limiting shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the high-stability precast concrete square pile connection joint comprises a first pile 1, a pre-buried head 2 is fixedly installed at the bottom of the first pile 1, the first pile 1 and a second pile 6 are both hollow, a fixed block 3 is movably connected to the top of the first pile 1, an outer sleeve block 4 is fixedly sleeved on the outer surface of the fixed block 3, clamping grooves 12 are respectively formed in the top and the bottom of the front and the back of the outer sleeve block 4, a first limiting shaft 13 positioned in the clamping groove 12 is fixedly installed on the front and the back of the second pile 6, a second limiting shaft 14 positioned in the clamping groove 12 is fixedly installed on the front and the back of the first pile 1, the inner wall of the outer sleeve block 4 is movably connected with the outer surface of the top end of the first pile 1, round openings 5 are formed in the fixed block 3, the number of the round openings 5, the number of the bottom openings 7 is the same as that of the positioning pins 8, and the positioning pins 8 are respectively matched with the round openings 5 and the bottom openings 7, the top of the fixed block 3 is movably connected with a second pile 6, the outer surface of the bottom end of the second pile 6 is movably connected with the inner wall of the outer sleeve block 4, the bottom of the second pile 6 is provided with a bottom opening 7, the top of the first pile 1 is fixedly provided with a positioning pin 8 positioned in the round opening 5, the length of the positioning pin 8 in the vertical direction is equal to the sum of the lengths of the round opening 5 and the bottom opening 7 in the vertical direction, the top end of the positioning pin 8 is positioned inside the bottom opening 7, the bottoms of the two sides of the second pile column 6 are fixedly sleeved with a first inner side sleeve 9, the inside of the first inner side sleeve 9 is provided with threads, and the inside screw thread of first inside cover 9 and the screw thread looks adaptation of fixing bolt 11 surface, the both sides at 1 top of first pile all fixedly cup joints second inside cover 10, and the equal screw thread in the inside of first inside cover 9 and second inside cover 10 has cup jointed fixing bolt 11, and fixing bolt 11's the other end runs through outer cover block 4 and extends to the outside of outer cover block 4.

When the pile fixing device works, a constructor firstly puts the outer sleeve block 4 on the top of the first pile 1, and enables the second limiting shaft 14 to enter the clamping groove 12, at the moment, the second inner sleeve 10 and the fixing bolt 11 are in a horizontal position, the top end of the first pile 1 is in contact with the bottom of the fixing block 3, and meanwhile, the top end of the positioning pin 8 passes through the round opening 5 and is positioned above the fixing block 3, then the constructor puts the bottom end of the second pile 6 into the outer sleeve block 4, and makes the first limit shaft 13 enter the inner part of the slot 12, at this time, the first inner sleeve 9 and the fixing bolt 11 are in the horizontal position, and the top end of the positioning pin 8 is in the inner part of the bottom opening 7, then, the constructor screws the four fixing bolts 11 into the two first inner sleeves 9 and the two second inner sleeves 10, so as to fix the first pile 1, the outer sleeve block 4 and the second pile 6.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. High stability precast concrete square pile attach fitting, including first stake (1), its characterized in that: the bottom of the first pile (1) is fixedly provided with a pre-buried head (2), the top of the first pile (1) is movably connected with a fixed block (3), the outer surface of the fixed block (3) is fixedly sleeved with an outer sleeve block (4), the inner wall of the outer sleeve block (4) is movably connected with the outer surface of the top end of the first pile (1), a round opening (5) is formed in the fixed block (3), the top of the fixed block (3) is movably connected with a second pile (6), the outer surface of the bottom end of the second pile (6) is movably connected with the inner wall of the outer sleeve block (4), a bottom opening (7) is formed in the bottom of the second pile (6), a positioning pin (8) positioned in the round opening (5) is fixedly installed at the top of the first pile (1), the top end of the positioning pin (8) is positioned in the bottom opening (7), first inner side sleeves (9) are fixedly sleeved at the bottoms of two sides of the second pile (6), the both sides at first stake (1) top all are fixed to be cup jointed second inside cover (10), the equal screw thread in inside of first inside cover (9) and second inside cover (10) has cup jointed fixing bolt (11), the other end of fixing bolt (11) runs through outer cover piece (4) and extends to the outside of outer cover piece (4).

2. The high-stability precast concrete square pile connection joint according to claim 1, wherein: the number of the round openings (5), the number of the bottom openings (7) and the number of the positioning pins (8) are the same, and the positioning pins (8) are respectively matched with the round openings (5) and the bottom openings (7).

3. The high-stability precast concrete square pile connection joint according to claim 1, wherein: the inner portion of the first inner side sleeve (9) is provided with threads, and the threads inside the first inner side sleeve (9) are matched with the threads on the outer surface of the fixing bolt (11).

4. The high-stability precast concrete square pile connection joint according to claim 1, wherein: the interiors of the first pile (1) and the second pile (6) are hollow.

5. The high-stability precast concrete square pile connection joint according to claim 1, wherein: the length of the positioning pin (8) in the vertical direction is equal to the sum of the lengths of the round opening (5) and the bottom opening (7) in the vertical direction.

6. The high-stability precast concrete square pile connection joint according to claim 1, wherein: the top and the bottom of the front and the back of the outer sleeve block (4) are both provided with a clamping groove (12), the front and the back of the second pile column (6) are both fixedly provided with a first limiting shaft (13) located inside the clamping groove (12), and the front and the back of the first pile column (1) are both fixedly provided with a second limiting shaft (14) located inside the clamping groove (12).