CN209760224U - Tubular pile - Google Patents

Abstract

The utility model discloses a tubular pile belongs to civil engineering technical field. A tube pile, comprising: a tubular pile body and a pile core; the pile core penetrates through the inner cavity of the tubular pile body and is clamped with the tubular pile body; the lower extreme of stake core is equipped with the toper and strikes the head, and the toper is strikeed the head and is set up in the lower terminal surface outside of tubular pile body. The utility model discloses set up the toper below the tubular pile body and strike the head, when meetting great piece (ovum) stone, the toper is strikeed the head and is hit piece (ovum) stone and break to lateral compression at any time, the tubular pile body of being convenient for drives the pile downwards, and simultaneously, the toper is strikeed the head and is extruded the soil body to the side, makes the tubular pile body squeeze into the soil body more easily among, reduces the hammering energy, laborsaving saving time save money.

Description

Tubular pile

Technical Field

The utility model relates to a civil engineering technical field, concretely relates to tubular pile.

Background

In the pipe pile construction, once a large block (pebble) stone is encountered in the stratum, the pile end of the steel pipe pile is a plane, the area is generally 0.07-0.29 m2, the stress area is large, the large block (pebble) stone is difficult to break by the pile body during pile driving, and when the pile body is damaged or the pile cannot be driven into the designed depth, the bearing capacity of the pile body cannot meet the design requirement; in addition, when piling in a general soil body, the pile bottom soil layer mainly takes vertical compression as a main part and lateral compression as a secondary part, so that larger hammering energy is consumed for piling, and time, labor and money are wasted.

SUMMERY OF THE UTILITY MODEL

an object of the utility model is to provide a tubular pile to solve current tubular pile and can't smash great piece (ovum) stone and lead to the problem of can't squeeze into the design degree of depth smoothly.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

A tube pile, comprising: a tubular pile body and a pile core; the pile core penetrates through the inner cavity of the tubular pile body and is clamped with the tubular pile body; the lower extreme of stake core is equipped with the toper and strikes the head, and the toper is strikeed the head and is set up in the lower terminal surface outside of tubular pile body.

The utility model discloses set up the toper below the tubular pile body and strike the head, when meetting great piece (ovum) stone, the toper is strikeed the head and is hit piece (ovum) stone and break to lateral compression at any time, the tubular pile body of being convenient for drives the pile downwards, and simultaneously, the toper is strikeed the head and is extruded the soil body to the side, makes the tubular pile body squeeze into the soil body more easily among, reduces the hammering energy, laborsaving saving time save money. In addition, because the pile core with the conical impact head is clamped with the tubular pile body, the pile core can be taken out of the tubular pile body, the tubular pile body with the pile core is driven into a certain depth, the pile core is taken out, the tubular pile body is driven into a preset depth continuously, the optimal plane stress state of the pile bottom can be ensured, and the soil body at the pile bottom is subjected to secondary driving to generate vertical compression, so that the soil body at the pile bottom can be compact, and the bearing capacity of the pile bottom can be fully exerted.

Further, the inner wall of the tubular pile body is provided with a vertical sliding chute, a transverse guide groove and a vertical clamping groove; two ends of the guide groove are respectively communicated with the sliding groove and the clamping groove; the outside of the pile core is provided with a clamping block which is arranged in the clamping groove.

The utility model discloses a tubular pile body carries out the joint through draw-in groove and fixture block with the stake core for have sufficient area of contact between tubular pile body and the stake core and transmit the impact force. When the pile core is placed into the tubular pile body, the clamping block slides in the sliding groove, after the clamping block slides in place, the pile core is rotated, the clamping block enters the guide groove and finally enters the clamping groove, and clamping is achieved. When the pile core is removed, the pile core is moved and rotated, the clamping block enters the guide groove and finally enters the sliding groove, and the pile core is pulled upwards to be removed.

Further, the shape and size of the clamping block are matched with those of the sliding groove, and the shape and size of the clamping block are also matched with those of the guide groove.

Furthermore, the top end of the clamping groove is communicated with the guide groove.

the utility model discloses a when the top of draw-in groove and guide way communicate, exert impact load to the stake core, at this moment, the fixture block falls into the bottom of draw-in groove, and the fixture block is difficult to break away from with the draw-in groove.

Further, the bottom end of the clamping groove is communicated with the guide groove.

The utility model discloses a during bottom and the guide way intercommunication of draw-in groove, impact load is applyed to the tubular pile, and at this moment, the fixture block falls into the top of draw-in groove, and the fixture block is difficult to break away from with the draw-in groove.

Further, the bottom of the inner wall of the tubular pile body is in sealing fit with the pile core through a sealing gasket.

The utility model discloses seal the inner wall bottom and the stake core of tubular pile body, can prevent that earth, rubble etc. from getting into spout, guide way or draw-in groove, avoid tubular pile body and stake core card to die.

Furthermore, the top of the pile core is provided with a threaded hole for hoisting.

Further, the taper of the conical impact head is 30-75 degrees.

Further, the taper of the conical impact head is 60 °.

The utility model discloses following beneficial effect has:

(1) The utility model discloses set up the toper below the tubular pile body and strike the head, when meetting great piece (ovum) stone, the toper is strikeed the head and is hit piece (ovum) stone and break to lateral compression at any time, the tubular pile body of being convenient for drives the pile downwards, and simultaneously, the toper is strikeed the head and is extruded the soil body to the side, makes the tubular pile body squeeze into the soil body more easily among, reduces the hammering energy, laborsaving saving time save money.

(2) The pile core with the conical impact head is clamped with the tubular pile body, so that the pile core can be taken out of the tubular pile body, the tubular pile body with the pile core is driven into the tubular pile body to a certain depth, the pile core is taken out, the tubular pile body is driven into a preset depth continuously, the optimal plane stress state of the pile bottom can be ensured, and the soil body at the pile bottom is subjected to secondary driving to generate vertical compression, so that the soil body at the pile bottom is compact, and the bearing capacity of the pile bottom is fully exerted.

Drawings

Fig. 1 is a schematic structural view of the tubular pile of the present invention;

Fig. 2 is a schematic structural view of the tubular pile body of the present invention;

FIG. 3 is a schematic view of portion A of FIG. 2;

Fig. 4 is a schematic structural view of the pile core of the present invention;

Fig. 5 is a top schematic view of the present invention using a novel core.

In the figure: 10-a tubular pile body; 11-a chute; 12-a guide groove; 13-a card slot; 14-a gasket; 20-pile core; 21-a conical impact head; 22-a fixture block; 23-threaded hole.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1, a tubular pile includes: a tubular pile body 10 and a pile core 20. The tubular pile body 10 is a hollow cylinder. The pile core 20 penetrates through the inner cavity of the tubular pile body 10, the lower end of the pile core 20 is provided with the conical impact head 21, and the conical impact head 21 completely extends out of the lower end face of the tubular pile body 10, so that a gap between the tubular pile body 10 and the conical impact head 21 is prevented from being formed, the stress area is increased, and the pile driving operation is not facilitated.

Referring to fig. 2 and 3, the inner side wall of the tubular pile body 10 is provided with a vertical chute 11, and the chute 11 extends from the upper end surface of the tubular pile body 10 to the middle of the tubular pile body 10. The inside wall of tubular pile body 10 still is equipped with a plurality of horizontal guide ways 12 and vertical draw-in groove 13, and the one end and the spout 11 intercommunication of guide way 12, the other end and draw-in groove 13 intercommunication. In the present embodiment, the top end of the card slot 13 communicates with the guide groove 12. The inboard bottom of tubular pile body 10 is equipped with the annular, and the annular is located the below of spout 11 and is equipped with sealed the pad 14 in the annular, and tubular pile body 10 seals up the cooperation through sealed pad 14 with stake core 20. In other embodiments of the present invention, the connecting position of the slot 13 and the guiding slot 12 may be the bottom end of the slot 13 or the middle part of the slot 13; the gasket 14 may also be provided on the outside face of the pile core 20.

Referring to fig. 4 and 5, the pile core 20 includes a pile core body (not shown) and a conical impact head 21, the conical impact head 21 is disposed at a lower end of the pile core body, and in the present embodiment, the conical degree of the conical impact head 21 is 60 °. The side wall of the stake core body is provided with a plurality of clamping blocks 22, the clamping blocks 22 are arranged in the clamping grooves 13, the shapes and the sizes of the clamping blocks 22 are matched with those of the clamping grooves 13, and the shapes and the sizes of the clamping blocks 22 are also matched with those of the sliding grooves 11 and the guide grooves 12. The top of the pile core 20 is provided with a threaded hole 23, and the pile core is connected with other tools and the like and then used for operations such as hoisting, rotating and the like. In other embodiments of the present invention, the taper of the conical impact head 21 may be any value between 30 ° and 75 °.

The assembly principle of the tubular pile body 10 and the pile core 20 is as follows: when the pile core 20 is placed into the tubular pile body 10, the fixture block 22 slides in the sliding groove 11, after the fixture block 22 slides to the position, the pile core 20 is rotated, the fixture block 22 enters the guide groove 12 and finally enters the clamping groove 13, and clamping is achieved.

The disassembling principle of the tubular pile body 10 and the pile core 20 is as follows: when the pile core 20 is removed, the pile core 20 is rotated after moving the pile core 20 upward or downward, so that the fixture 22 enters the guide groove 12 and finally the chute 11, and the pile core 20 is pulled upward to be removed.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (9)

1. A tubular pile, comprising: a tubular pile body (10) and a pile core (20); the pile core (20) penetrates through the inner cavity of the tubular pile body (10), and the pile core (20) is clamped with the tubular pile body (10); the lower extreme of stake core (20) is equipped with toper impact head (21), toper impact head (21) set up the lower extreme off-plate side of tubular pile body (10).

2. The tubular pile of claim 1, wherein the inner wall of the tubular pile body (10) is provided with a vertical sliding groove (11), a transverse guide groove (12) and a vertical clamping groove (13); two ends of the guide groove (12) are respectively communicated with the sliding groove (11) and the clamping groove (13); a clamping block (22) is arranged on the outer side of the pile core (20), and the clamping block (22) is arranged in the clamping groove (13).

3. The tube pile according to claim 2, wherein the shape and size of the fixture block (22) match those of the slide groove (11), and the shape and size of the fixture block (22) also match those of the guide groove (12).

4. A tube pile according to claim 3, characterized in that the top end of the catching groove (13) communicates with the guide groove (12).

5. A tube pile according to claim 3, characterized in that the bottom end of the catching groove (13) communicates with the guide groove (12).

6. The tube pile of claim 1, characterized in that the bottom of the inner wall of the tube pile body (10) is in sealing fit with the pile core (20) through a sealing gasket (14).

7. The tube pile according to any one of claims 1 to 6, characterized in that the top of the pile core (20) is provided with a threaded hole (23) for hoisting.

8. The tube pile of claim 7, characterized in that the taper of the conical impact head (21) is 30-75 °.

9. A tube pile according to claim 8, characterised in that the taper of the conical impact head (21) is 60 °.