CN216765857U

CN216765857U - Cast-in-place pile pulling-resistant structure

Info

Publication number: CN216765857U
Application number: CN202123337297.5U
Authority: CN
Inventors: 祝强; 赵彦博; 谭训波
Original assignee: Shandong Yuanxin Architectural Design Co ltd
Current assignee: Shandong Yuanxin Architectural Design Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-06-17
Anticipated expiration: 2031-12-27

Abstract

The utility model relates to a bored concrete pile resistance to plucking structure belongs to construction technical field, and it includes hollow pile body, a plurality of openings have been seted up on the pile body, the pile body articulates near the opening part has the piece of irritating, the piece of irritating can follow the opening part and stretch out the pile body. This application has the effect that resistance to plucking intensity is high.

Description

Cast-in-place pile pulling-resistant structure

Technical Field

The application relates to the technical field of building construction, in particular to a cast-in-place pile uplift structure.

Background

The cast-in-place pile is a pile made up by making holes in place and pouring concrete or reinforced concrete, and has the advantages of no vibration, low noise and easy application in the dense region of urban building. According to different hole-forming processes, the cast-in-place piles can be divided into cast-in-place piles for dry operation hole forming, cast-in-place piles for mud retaining wall hole forming, cast-in-place piles for manual hole digging and the like.

Chinese patent with CN203729291U discloses a uplift cast-in-place pile, which comprises a vertically arranged pile body and a bearing platform connected to the top end of the pile body, wherein: a plurality of vertical arrangement indulge muscle and twine and each indulge the outer stirrup of muscle, just the upper end anchor of indulging the muscle is gone into inside the cushion cap, the post-tensioned no bonding prestressing tendons that still is provided with two piece at least vertical arrangement in the pile body, the lower extreme of post-tensioned no bonding prestressing tendons is fixed inside the pile body, the tensioning end on post-tensioned no bonding prestressing tendons upper portion stretches out outside the cushion cap and is fixed with the cushion cap.

In view of the above-mentioned related technologies, the inventor believes that the friction force between the pile body and the soil layer of the cast-in-place pile is small, and the main action mechanism of the cast-in-place pile is to resist the axial tension by the friction force between the pile body and the soil layer, so that the pull-out strength of the cast-in-place pile is low.

SUMMERY OF THE UTILITY MODEL

In order to improve resistance to plucking intensity, this application provides a bored concrete pile resistance to plucking structure.

The application provides a bored concrete pile resistance to plucking structure adopts following technical scheme:

the utility model provides a bored concrete pile resistance to plucking structure, includes hollow pile body, a plurality of openings have been seted up on the pile body, the pile body articulates near the opening part has the pouring piece, the pouring piece can stretch out the pile body from the opening part.

By adopting the technical scheme, before cast-in-place forming is carried out on the cast-in-place pile, the pile body is placed in the drilled hole, then the cast-in-place part is pushed, so that the cast-in-place part extends out of the opening, the cast-in-place part can be pushed open and embedded into soil after extending out, the pulling resistance strength of the cast-in-place pile can be improved, and meanwhile, after concrete is cast into the pile body, the concrete can overflow from the opening, and a protruding part is formed outside the pile body, so that the pulling resistance strength of the cast-in-place pile is further improved.

Optionally, the pouring member includes articulated piece and slope piece, articulated piece is articulated mutually with the pile body, slope piece and articulated piece fixed connection, the contained angle between slope piece and the articulated piece is the obtuse angle.

Through adopting above-mentioned technical scheme, articulated piece is articulated mutually with the pile body, can make the slope piece link together with articulated piece and pile body, and the contained angle between slope piece and the articulated piece is the obtuse angle, and the slope piece of being convenient for stretches out from the opening.

Optionally, a connecting rod is arranged in the pile body, the connecting rod is hinged to a traction rod, and one end, far away from the connecting rod, of the traction rod is hinged to the pouring part.

By adopting the technical scheme, when the pouring piece needs to extend out of the opening, the connecting rod is held, the connecting rod slides downwards, the traction rod hinged with the connecting rod can move downwards under the driving of the connecting rod, and then the pouring piece hinged with the traction rod can extend out of the opening under the force of the traction rod, and the connecting rod and the traction rod are arranged, so that the pouring piece can be driven to rotate conveniently.

Optionally, the pile body includes a side wall and a lower plate, and the lower plate is provided with a lower hole adapted to the connecting rod.

Through adopting above-mentioned technical scheme, when pushing down the connecting rod, the lower extreme of connecting rod can stretch out from the lower hole to insert in earth, the connecting rod lower extreme inserts in earth, and the problem that the reducible connecting rod rocked in the pile body, after the connecting rod inserted earth simultaneously, can increase bored concrete pile's resistance to plucking intensity to a certain extent.

Optionally, the connecting rod lower extreme is equipped with branch, the diameter of branch is the same with the connecting rod diameter, branch includes a plurality of branch branches, and is a plurality of branch can follow the lower hole and wear out the pile body.

Through adopting above-mentioned technical scheme, a plurality of branches pole wear out down the hole insert in earth after, great with the area of contact of earth, and then can improve with this resistance to plucking structure and the friction between the earth, and then can further improve bored concrete pile's resistance to plucking intensity.

Optionally, at least one lantern ring is connected to the outer sides of the plurality of branch rods in a sliding manner, and the outer diameter of the lantern ring is larger than the diameter of the lower hole.

Through adopting above-mentioned technical scheme, the lantern ring cover is established in a plurality of branch poles outsides, and the lantern ring can play to gather together the effect to branch pole, is convenient for divide branch pole to wear out from the hole down, and during the connecting rod that slides down, branch pole slowly wears out the pile body from the hole down, and the lantern ring offsets the back with the hypoplastron, because of the external diameter of the lantern ring is greater than the diameter in hole down, therefore the lantern ring can not follow the hole down and wear out, but divide branch pole to wear out in the pile body from the hole down.

Optionally, the upper end of the connecting rod is provided with a first hanging ring, the pile body is provided with a second hanging ring, and a connecting rope is arranged between the first hanging ring and the second hanging ring.

Through adopting above-mentioned technical scheme, when sinking the pile body in the drilling, can be in the same place connecting rope one end and link one, the other end links together with link two, can play limiting displacement to the connecting rod, and then can play limiting displacement to the bored concrete element, when sinking the pile body in the drilling, in the pile body was taken in to the bored concrete element to be convenient for sink the pile body in the drilling.

Optionally, a knocking plate is arranged at the upper end of the connecting rod, and at least one holding opening is formed in the knocking plate.

Through adopting above-mentioned technical scheme, when needing to drive the decline to the connecting rod, the accessible grips the mouth and grips the striking board, and then is convenient for give a decurrent power of connecting rod, and then is convenient for drive the connecting rod downwards.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the pile body, the opening and the pouring piece, the pouring piece extends out of the pile body from the opening, so that the pulling resistance strength of the pouring pile can be improved;

2. this application is convenient for drive the rotation to the filling piece through setting up connecting rod and traction lever, and then is convenient for the filling piece to stretch out the pile body from the opening part.

Drawings

Fig. 1 is a schematic structural diagram of a cast-in-place pile uplift structure according to the present application;

fig. 2 is a schematic view showing the structure of the connection mechanism in the embodiment of the present application.

Description of reference numerals: 1. a pile body; 11. a side wall; 111. an opening; 112. a second hanging ring; 12. a lower plate; 2. filling the part; 21. a hinged sheet; 22. an inclined plate; 3. a connecting mechanism; 31. a connecting rod; 311. hanging a ring I; 32. a draw bar; 4. knocking the plate; 41. a grip opening; 5. connecting ropes; 6. a lower hole; 7. a strut; 71. branch rods are arranged; 8. a collar.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses bored concrete pile resistance to plucking structure.

Referring to fig. 1 and 2, a bored concrete pile resistance to plucking structure includes hollow pile body 1, bored concrete component 2 and coupling mechanism 3, and pile body 1 cavity sets up, and bored concrete component 2 articulates on pile body 1, and coupling mechanism 3 sets up in pile body 1, and bored concrete component 2 can stretch out in pile body 1 under coupling mechanism 3's drive, sets up and irritates that 2 can increase the friction between this resistance to plucking structure and the earth, and then improves bored concrete pile's resistance to plucking intensity.

Referring to fig. 1 and 2, the pile body 1 includes a side wall 11 and a lower plate 12, the side wall 11 is provided with an opening 111 adapted to the cast-in-place member 2, the cast-in-place member 2 includes a hinge plate 21 and an inclined plate 22, the hinge plate 21 is hinged to the side wall 11, the inclined plate 22 is fixedly connected to the hinge plate 21, an included angle between the inclined plate 22 and the hinge plate 21 is an obtuse angle, the inclined plate 22 and the hinge plate 21 can extend out of the pile body 1 from the opening 111 by rotating the cast-in-place member 2, the cast-in-place member 2 can be pushed away and embedded into soil after extending out of the opening 111, friction between the uplift structure and the soil can be increased, after concrete is poured into the pile body 1, the concrete can overflow from the opening 111, and after being combined with the cast-in-place member 2, a protruding portion can be formed outside the pile body 1, thereby improving the uplift strength of the cast-in-place pile.

Referring to fig. 1 and 2, the connecting mechanism 3 comprises a connecting rod 31 and a traction rod 32, the connecting rod 31 is slidably connected in the pile body 1, the traction rod 32 is hinged with the connecting rod 31, one end of the traction rod 32, which is far away from the connecting rod 31, is hinged with the inclined plate 22, after the pile body 1 is inserted into a drilled hole, the connecting rod 31 is slid downwards, the connecting rod 31 and the traction rod 32 are matched to push the pouring piece 2 out of the pile body 1 from the opening 111, and the connecting rod 31 and the traction rod 32 are arranged to facilitate driving rotation of the pouring piece 2.

Referring to fig. 1 and 2, connecting rod 31 upper end is equipped with strikes board 4, when pushing out opening 111 with pouring piece 2, can receive the great resistance of earth, and is comparatively hard when consequently sliding connecting rod 31 downwards, sets up strikes board 4, when needing to drive connecting rod 31 downwards, and the accessible is beaten and is strikeed board 4, and then is convenient for make connecting rod 31 descend, and then is convenient for push out pile body 1 with pouring piece 2.

Referring to fig. 2, the knocking plate 4 is provided with two holding openings 41, and when the connecting rod 31 starts to slide downwards, the holding openings 41 can be held to position the knocking plate, so that the knocking plate 4 can be knocked conveniently, the problem that the knocking plate 4 shakes is reduced, and the connecting rod 31 can descend vertically.

Referring to fig. 1 and 2, a first hanging ring 311 is fixedly arranged at the upper end of the connecting rod 31, a second hanging ring 112 is fixedly arranged on the outer side of the side wall 11, a connecting rope 5 is arranged between the first hanging ring 311 and the second hanging ring 112, the connecting rope 5 is matched with the first hanging ring 311 and the second hanging ring 112, a connecting effect can be achieved on the connecting rod 31, when the pile body 1 is sunk into the drill hole, the pouring piece 2 is collected into the pile body 1, friction between the anti-pulling structure and soil can be reduced, and therefore the pile body 1 can be conveniently sunk into the drill hole. After the pile body 1 is sunk into the drilled hole, the connecting rope 5 and the first hanging ring 311 are disassembled.

Referring to fig. 2, the lower plate 12 is provided with a lower hole 6, the lower end of the connecting rod 31 is provided with a supporting rod 7, the supporting rod 7 is opposite to the lower hole 6, the diameter of the supporting rod 7 is the same as that of the connecting rod 31, the supporting rod 7 comprises six branch supporting rods 71 and a downward sliding connecting rod 31, the six branch supporting rods 71 can penetrate out of the pile body 1 from the lower hole 6, the branch supporting rods 71 are inserted into soil, the problem that the connecting rod 31 shakes can be reduced, and the pulling strength of the cast-in-place pile can be further improved due to the friction force between the branch supporting rods 71 and the soil.

Referring to fig. 2, the outside of the branch rod 71 is slidably connected with a lantern ring 8, the outer diameter of the lantern ring 8 is larger than the diameter of the lower hole 6, the lantern ring 8 is sleeved outside the branch rods 71, the lantern ring 8 can gather the branch rods 71, and the problem that the branch rods 71 are difficult to penetrate out of the lower hole 6 after being scattered is solved.

The implementation principle of a cast-in-place pile uplift structure in the embodiment of the application is as follows: when the uplift structure needs to be installed during construction of the cast-in-place pile, the pile body 1 is firstly sunk into the drill hole, then the hanging ring I311 and the connecting rope 5 are disassembled, the knocking plate 4 is held and pressed downwards, the cast-in-place part 2 extends out of the opening 111, the installation of the uplift structure can be completed, and finally concrete is poured into the pile body 1, and the forming of the cast-in-place pile can be completed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a bored concrete pile resistance to plucking structure, includes hollow pile body (1), its characterized in that: a plurality of openings (111) are formed in the pile body (1), a pouring piece (2) is hinged to the position, close to the openings (111), of the pile body (1), and the pouring piece (2) can extend out of the pile body (1) from the openings (111).

2. A cast-in-place pile uplift structure according to claim 1, wherein: irritate piece (2) including articulated piece (21) and slope piece (22), articulated piece (21) are articulated mutually with pile body (1), slope piece (22) and articulated piece (21) fixed connection, the contained angle between slope piece (22) and articulated piece (21) is the obtuse angle.

3. A cast-in-place pile uplift structure according to claim 1, wherein: a connecting rod (31) is arranged in the pile body (1), the connecting rod (31) is hinged to a traction rod (32), and one end, far away from the connecting rod (31), of the traction rod (32) is hinged to the pouring part (2).

4. A cast-in-place pile uplift structure according to claim 1, wherein: the pile body (1) comprises a side wall (11) and a lower plate (12), and the lower plate (12) is provided with a lower hole (6) matched with the connecting rod (31).

5. A cast-in-place pile uplift structure according to claim 4, wherein: connecting rod (31) lower extreme is equipped with branch (7), the diameter of branch (7) is the same with connecting rod (31) diameter, branch (7) include a plurality of branch poles (71), and are a plurality of branch pole (71) can be followed down hole (6) and worn out pile body (1).

6. A cast-in-place pile uplift structure according to claim 5, wherein: the outer sides of the branch supporting rods (71) are connected with at least one lantern ring (8) in a sliding mode, and the outer diameter of the lantern ring (8) is larger than the diameter of the lower hole (6).

7. A cast-in-place pile uplift structure according to claim 3, wherein: the pile is characterized in that a first hanging ring (311) is arranged at the upper end of the connecting rod (31), a second hanging ring (112) is arranged on the pile body (1), and a connecting rope (5) is arranged between the first hanging ring (311) and the second hanging ring (112).

8. A cast-in-place pile uplift structure according to claim 3, wherein: the upper end of the connecting rod (31) is provided with a knocking plate (4), and the knocking plate (4) is provided with at least one holding opening (41).