CN210459201U

CN210459201U - PHC tubular pile stake point

Info

Publication number: CN210459201U
Application number: CN201921298434.9U
Authority: CN
Inventors: 翁增全; 庄爱忠; 陈木义; 庄爱良
Original assignee: Jiangxi Fengda New Building Materials Co Ltd
Current assignee: Jiangxi Fengda New Building Materials Co Ltd
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-05-05
Anticipated expiration: 2029-08-12

Abstract

The utility model discloses a PHC tubular pile stake point relates to building engineering PHC tubular pile technical field, for solving because the penetrating power of stake point is not good, is meetting geological conditions's complicacy, during comparatively closely knit sand bed soil, causes the problem that PHC tubular pile is difficult to the pile sinking. The lower extreme of PHC tubular pile is provided with PHC tubular pile end plate, the inside of PHC tubular pile end plate is provided with the recess, the inside of PHC tubular pile evenly is provided with the inside reinforcing bar of a plurality of PHC tubular piles, the outside of PHC tubular pile and PHC tubular pile end plate is provided with PHC tubular pile end hoop, the below of PHC tubular pile end plate is provided with protruding type connecting block, the below of protruding type connecting block is provided with the steel sheet, the below of protruding type connecting block is provided with the steel pipe, the below of steel pipe is provided with PHC tubular pile point, four the below of steel sheet all is provided with hinders mud piece, the inside of steel pipe is provided with the inner tube, the below of inner tube is provided with the water pressure pipe.

Description

PHC tubular pile stake point

Technical Field

The utility model relates to a building engineering PHC tubular pile technical field specifically is a PHC tubular pile stake point.

Background

In modern buildings, the building foundation is formed by low-grade piles, and the common structure is that a bearing platform is supported by a plurality of concrete column piles which go deep into the ground together to form a paper lining unit of the building, so that the building cannot settle, and the PHC pipe piles are used for driving the foundation. The PHC pipe pile, namely the prestressed high-strength concrete pipe pile, is one of the most common prefabricated parts in the foundation treatment of civil engineering, has the characteristics of high bearing capacity, high construction speed, convenience in manufacturing and transportation, environmental protection and the like, and is the most favored building material in the building engineering. In the building engineering, PHC tubular piles are widely adopted for piling in recent years, so that the construction period of the pile foundation is greatly shortened. Due to complex geological conditions, non-uniformity of distribution and the like, the PHC pile tip is required to work.

At present, when the PHC tubular pile is used for driving a foundation, the penetrating power of the pile tip of the adopted PHC tubular pile is poor, when geological conditions are complex and a relatively dense sand layer land exists and the PHC tubular pile is pressed, the PHC tubular pile descends slowly, the working efficiency is reduced, and therefore the problem that the PHC tubular pile is difficult to sink is caused, and therefore the PHC tubular pile tip is urgently needed to solve the problems in the market.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PHC tubular pile stake point to propose in solving above-mentioned background art because the penetrating power of stake point is not good, when meetting geological conditions's complicacy, during comparatively closely knit sand bed soil, cause the problem that PHC tubular pile is difficult to the pile sinking.

In order to achieve the above object, the utility model provides a following technical scheme: a PHC tubular pile point comprises a PHC tubular pile, wherein a PHC tubular pile end plate is arranged at the lower end of the PHC tubular pile, the PHC tubular pile end plate and the PHC tubular pile are of an integral structure, a groove is formed in the PHC tubular pile end plate, a plurality of PHC tubular pile internal reinforcing steel bars are uniformly arranged in the PHC tubular pile, the PHC tubular pile internal reinforcing steel bars are connected with the PHC tubular pile end plate in a gas welding mode, PHC tubular pile end hoops are arranged on the outer portions of the PHC tubular pile and the PHC tubular pile end plate, a convex connecting block is arranged below the PHC tubular pile end plate, one end of the convex connecting block extends to the inner portion of the PHC tubular pile, the convex connecting block and the PHC tubular pile end hoops are in sealing connection through a steel pipe sealing ring, steel plates are arranged below the convex connecting block, the number of the steel plates are four, the four steel plates are all connected with the convex connecting block in the gas welding, the below of steel pipe is provided with PHC tubular pile point, and PHC tubular pile point is connected, four with steel pipe gas welding the below of steel sheet all is provided with hinders the mud piece, and hinders the mud piece and all pass through the bolt rotation with the steel sheet and be connected, the inside of steel pipe is provided with the inner tube, and the one end of inner tube runs through protruding type connecting block and extends to the top of protruding type connecting block, the below of inner tube is provided with the water pressure pipe, and the water pressure pipe is provided with two, and two water pressure pipes all with inner tube sealing connection.

Preferably, the inside of PHC tubular pile is provided with the clamp plate, and the clamp plate laminates with the inner wall of PHC tubular pile mutually.

Preferably, reinforcing ribs are arranged on two sides of each of the four steel plates and are in gas welding connection with the convex connecting blocks.

Preferably, four the inside of steel sheet all is provided with the strengthening rib, and the one end of strengthening rib runs through steel sheet and protruding type connecting block and extends to the inside of recess.

Preferably, the inside of PHC tubular pile point is provided with around the muscle, winds the muscle and is provided with five, and five wind the muscle and set gradually in the inside of PHC tubular pile point.

Preferably, a connecting groove is formed between the four mud blocking blocks and the PHC tubular pile tip.

Preferably, one end of each of the two hydraulic pipes penetrates through the steel pipe and extends to the interior of the mud-blocking block.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a device passes through the setting of inner tube and water pressure pipe, when meetting closely knit sand and soil layer, through adding water in that the PHC tubular pile is inside, extrude the inside water of PHC tubular pile through the extrusion clamp plate, under the effect of pressure, the water flows in the water pressure pipe through the inner tube, spun water under high pressure can prop open by the mud piece in the water pressure pipe, the water under high pressure will flow in closely knit sand and soil layer, moisten closely knit sand and soil layer, the PHC tubular pile point of being convenient for descends, realize the heavy stake of PHC tubular pile. The problems that in the pile sinking process, due to the fact that the PHC pipe pile descends slowly and is difficult to sink due to the fact that a complex and dense sandy soil layer of geological conditions is met, and working efficiency is low are solved.

2. The utility model discloses a device is through hindering the setting of mud piece, at PHC tubular pile sinking in-process, and earth can receive the inside that the pressure of PHC tubular pile point enters into the steel pipe, hinders the inside that mud piece can effectually avoid receiving extruded earth and enter into the steel pipe. The problem of the pile sinking in-process, receive extruded earth can enter into the inside of steel pipe, influence PHC tubular pile sinking is solved.

3. The utility model discloses a device passes through the setting of stiffening rib and strengthening rib, at pile sinking in-process, along with the degree of depth deepening of pile sinking, the extrusion force that the steel pipe received will increase thereupon, and huge extrusion force can lead to the steel pipe to take place to buckle and warp. The problem of along with the degree of depth improvement of pile sinking, the extrusion force that produces increases thereupon, leads to the uneven bending deformation that takes place of steel pipe atress, influences the pile sinking of PHC tubular pile is solved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a connection relationship diagram of the steel plate and the PHC tubular pile end plate of the present invention;

FIG. 3 is a connection relationship diagram of the PHC pipe pile tip and the steel plate of the present invention;

fig. 4 is a cross-sectional view of the steel pipe and the reinforcing rib of the present invention.

In the figure: 1. PHC tubular pile; 2. reinforcing steel bars inside the PHC tubular pile; 3. PHC tubular pile end plates; 4. a PHC tubular pile end hoop; 5. a convex connecting block; 6. a steel pipe sealing ring; 7. a steel plate; 8. reinforcing ribs; 9. a steel pipe; 10. an inner tube; 11. a mud blocking block; 12. a bolt; 13. PHC pipe pile tip; 14. a hydraulic pipe; 15. reinforcing ribs; 16. winding the rib; 17. a joining groove; 18. a groove; 19. and (7) pressing a plate.

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.

Referring to fig. 1-4, the present invention provides an embodiment: a PHC tubular pile tip comprises a PHC tubular pile 1, a PHC tubular pile end plate 3 is arranged at the lower end of the PHC tubular pile 1, the PHC tubular pile end plate 3 and the PHC tubular pile 1 are of an integral structure, the PHC tubular pile end plate 3 can increase the structural strength of the PHC tubular pile 1, a groove 18 is arranged inside the PHC tubular pile end plate 3, a plurality of PHC tubular pile internal reinforcing steel bars 2 are uniformly arranged inside the PHC tubular pile 1, the PHC tubular pile internal reinforcing steel bars 2 are connected with the PHC tubular pile end plate 3 in a gas welding mode, the PHC tubular pile internal reinforcing steel bars 2 can increase the structural strength of the PHC tubular pile 1, a PHC tubular pile end hoop 4 is arranged outside the PHC tubular pile 1 and the PHC tubular pile end plate 3, a convex connecting block 5 is arranged below the PHC tubular pile end plate 3, one end of the convex connecting block 5 extends to the inside of the PHC tubular pile 1, the convex connecting block 5 and the PHC tubular pile end hoop 4 are connected in a sealing mode through a steel pipe sealing ring, the structural strength can be increased, four steel plates 7 are arranged below the convex connecting block 5, and the four steel plates 7 are all connected with the convex connecting block 5 by gas welding, a steel pipe 9 is arranged below the convex connecting block 5, the steel pipe 9 is connected with the convex connecting block 5 through a screw, a PHC pipe pile tip 13 is arranged below the steel pipe 9, the PHC tubular pile tip 13 is connected with the steel pipe 9 by gas welding, mud blocking blocks 11 are arranged below the four steel plates 7, and the mud-blocking blocks 11 are rotatably connected with the steel plate 7 through bolts 12, the mud-blocking blocks 11 can block the mud in the pile sinking process, the inner pipe 10 is arranged in the steel pipe 9, and the one end of inner tube 10 runs through protruding type connecting block 5 and extends to the top of protruding type connecting block 5, and the below of inner tube 10 is provided with water pressure pipe 14, and water pressure pipe 14 is provided with two, and two water pressure pipes 14 all with inner tube 10 sealing connection.

Further, the inside of PHC tubular pile 1 is provided with clamp plate 19, and clamp plate 19 and the inner wall of PHC tubular pile 1 laminate mutually. The pressure inside the PHC pile 1 can be increased by the pressing plate 19, so that the water inside the PHC pile 1 is pressurized and discharged.

Furthermore, reinforcing ribs 8 are arranged on two sides of the four steel plates 7, and the reinforcing ribs 8 are connected with the convex connecting blocks 5 in a gas welding mode. The problem that the steel plate 7 is bent due to uneven stress in the pile sinking process can be effectively solved through the reinforcing ribs 8.

Further, the inside of four steel plates 7 all is provided with strengthening rib 15, and the one end of strengthening rib 15 runs through steel plate 7 and protruding type connecting block 5 and extends to the inside of recess 18. The reinforcing ribs 15 can increase the strength of the steel plate 7 and can also fix the steel plate 7, the convex connecting block 5 and the PHC tubular pile end plate 3.

Further, the inside of the PHC pile toe 13 is provided with five winding ribs 16, and the five winding ribs 16 are sequentially arranged inside the PHC pile toe 13. The strength of the PHC tubular pile tip 13 can be enhanced through the winding ribs 16, and the PHC tubular pile tip 13 is prevented from being bent due to the fact that the strength of the PHC tubular pile tip 13 is not enough in the pile sinking process.

Furthermore, a connecting groove 17 is arranged between the four mud blocking blocks 11 and the PHC tubular pile tip 13. The setting of linking up groove 17 can carry out a spacing effect to hindering mud piece 11 when 1 pile sinking of PHC tubular pile to effectual earth of avoiding enters into the inside of steel sheet 7.

Further, one ends of the two hydraulic pipes 14 penetrate through the steel pipe 9 and extend to the interior of the mud stop block 11. When high pressure water is in the hydraulic pipe 14, the mud-blocking block 11 is pushed away, and the high pressure water in the hydraulic pipe 14 flows into the ground.

The working principle is as follows: during the use, insert the inside of PHC tubular pile 1 with the one end of protruding type connecting block 5, through steel pipe sealing ring 6 with protruding type connecting block 5 and the sealed connection of PHC tubular pile end plate 3. The PHC tubular pile 1 is acted by a press, the PHC tubular pile tip 13 is driven to press down under the action of pressing force, and the PHC tubular pile tip 13 can be pressed into the ground due to the characteristic structure of the PHC tubular pile tip 13. When meeting the sand bed soil that density is too big and be difficult for boring through in the pile process of PHC tubular pile 1, can pour into the inside of PHC tubular pile 1 with the water, put into the inside of PHC tubular pile 1 with clamp plate 19, through squeezing clamp plate 19, the inside pressure of PHC tubular pile 1 will increase, will pour into water pressure pipe 14 through inner tube 10 with the inside water of PHC tubular pile 1 under the effect of pressure, the high pressure water in water pressure pipe 14 will prop open mud blocking piece 11, then the high pressure water will flow into the soil below PHC tubular pile point 13 through linking groove 17, can moisten the soil, be convenient for impress PHC tubular pile 1 in the soil, thereby solve the PHC tubular pile and be difficult to sink the stake.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a PHC tubular pile stake point, includes PHC tubular pile (1), its characterized in that: the lower end of the PHC tubular pile (1) is provided with a PHC tubular pile end plate (3), the PHC tubular pile end plate (3) and the PHC tubular pile (1) are of an integral structure, a groove (18) is formed in the PHC tubular pile end plate (3), a plurality of PHC tubular pile internal reinforcing steel bars (2) are uniformly arranged in the PHC tubular pile (1), the PHC tubular pile internal reinforcing steel bars (2) are connected with the PHC tubular pile end plate (3) in a gas welding mode, a PHC tubular pile end hoop (4) is arranged outside the PHC tubular pile (1) and the PHC tubular pile end plate (3), a convex connecting block (5) is arranged below the PHC tubular pile end plate (3), one end of the convex connecting block (5) extends into the PHC tubular pile (1), the convex connecting block (5) and the PHC tubular pile end hoop (4) are connected in a sealing mode through a steel pipe sealing ring (6), a steel plate (7) is arranged below the convex connecting block (5), four steel plates (7) are arranged, the four steel plates (7) are all connected with the convex connecting block (5) in a gas welding way, a steel pipe (9) is arranged below the convex connecting block (5), the steel pipe (9) is connected with the convex connecting block (5) through a screw, a PHC pipe pile tip (13) is arranged below the steel pipe (9), the PHC tubular pile tips (13) are connected with the steel pipes (9) in a gas welding way, mud blocking blocks (11) are arranged below the four steel plates (7), the mud blocking blocks (11) are rotationally connected with the steel plate (7) through bolts (12), an inner pipe (10) is arranged inside the steel pipe (9), one end of the inner pipe (10) penetrates through the convex connecting block (5) and extends to the upper part of the convex connecting block (5), and two hydraulic pipes (14) are arranged below the inner pipe (10), and the two hydraulic pipes (14) are hermetically connected with the inner pipe (10).

2. The PHC tubular pile tip as claimed in claim 1, wherein: the inside of PHC tubular pile (1) is provided with clamp plate (19), and clamp plate (19) laminate mutually with the inner wall of PHC tubular pile (1).

3. The PHC tubular pile tip as claimed in claim 1, wherein: reinforcing ribs (8) are arranged on two sides of the four steel plates (7), and the reinforcing ribs (8) are connected with the convex connecting blocks (5) in a gas welding mode.

4. The PHC tubular pile tip as claimed in claim 1, wherein: four the inside of steel sheet (7) all is provided with strengthening rib (15), and the one end of strengthening rib (15) runs through steel sheet (7) and protruding type connecting block (5) and extends to the inside of recess (18).

5. The PHC tubular pile tip as claimed in claim 1, wherein: the PHC pipe pile toe (13) is internally provided with five winding ribs (16), and the five winding ribs (16) are sequentially arranged in the PHC pipe pile toe (13).

6. The PHC tubular pile tip as claimed in claim 1, wherein: and a connecting groove (17) is arranged between the four mud blocking blocks (11) and the PHC pipe pile tip (13).

7. The PHC tubular pile tip as claimed in claim 1, wherein: one ends of the two hydraulic pipes (14) penetrate through the steel pipe (9) and extend to the interior of the mud blocking block (11).