CN211368709U

CN211368709U - Hole guiding device for static pressure pipe pile

Info

Publication number: CN211368709U
Application number: CN201921324109.5U
Authority: CN
Inventors: 黄东明
Original assignee: Fujian Mingxin Group Co ltd
Current assignee: Fujian Mingxin Group Co ltd
Priority date: 2019-08-15
Filing date: 2019-08-15
Publication date: 2020-08-28
Anticipated expiration: 2029-08-15

Abstract

The utility model relates to a static pressure tubular pile hole guiding device, which comprises an extension pipe and a connecting pipe which are both hollow structures, wherein the connecting pipe is provided with a plurality of groups of connecting holes which are radially and symmetrically arranged, hollow guide pipes are fixedly connected between the connecting holes which are radially and symmetrically arranged, and adjacent guide pipes are arranged up and down and have the same crossed included angle; the guide tubes at the head end and the tail end of the connecting tube are the same in distribution structure; the locating hole of extension pipe corresponds the setting with the connecting hole of connecting pipe and alternates and is connected with the pipe bolt that is used for fixed extension pipe and connecting pipe. The utility model has simple structure and flexible use, thereby achieving convenient, rapid and flexible drilling; more importantly, through the arranged guide pipe, the circular pipe bolt can conveniently penetrate through the two radially symmetrical connecting holes, so that the connecting and mounting efficiency is improved; and secondly, the round pipe bolt is protected and positioned, and the round pipe bolt is prevented from shifting due to the pushing of soil entering the device in the drilling process.

Description

Hole guiding device for static pressure pipe pile

Technical Field

The utility model relates to a pile equipment technical field specifically indicates a static pressure tubular pile hole guiding device.

Background

Piling is a foundation called pile foundation for bearing and distributing, which is generally applied to soft foundation or large structure, and utilizes the impact force to penetrate the pile into the pile machinery of stratum, and utilizes the impact of pile hammer to overcome the resistance of soil to the pile, so that the pile is sunk to a preset depth or reaches a bearing layer. Piling causes a phenomenon called soil squeezing effect to damage surrounding road surfaces and buildings, so that surrounding excavation foundation pits collapse or are pushed to increase, and the influence on the piles which are constructed shows that pile bodies incline and shallow piles float upwards. Therefore, the occurrence of the soil squeezing effect is avoided or eliminated as much as possible during the piling process. The pile driving method mainly adopts two modes of a high-pressure pipe pile and a static pressure pipe pile, the advantages and the disadvantages of the high-pressure pipe pile and the static pressure pipe pile are different, the length of a single section of the pipe pile is more than 10 meters, the production process requirement of the pipe pile is high, the transportation is inconvenient, and different pile feeding lengths are required according to the engineering requirement and the burial depth difference.

The traditional tubular pile connection is time-consuming and labor-consuming in welding, a connection mode with simple structure and operation is adopted, for example, a tubular pile joint with the patent number of CN201820428803.0 adopts a connection mode of screw thread screwing, and installation is facilitated through arrangement of a threaded hole and an auxiliary rod. And the installation needs the manual work to carry out the rotatory tightening, and its intensity of labour is not little. Therefore, the tubular pile hole guiding device which is simpler in structure and lower in production cost is researched.

SUMMERY OF THE UTILITY MODEL

To the problem that above-mentioned prior art exists, the utility model provides a static pressure tubular pile draws hole device can effectively solve the problem that above-mentioned prior art exists.

The technical scheme of the utility model is that:

a static pressure tubular pile hole guiding device comprises extension pipes and connecting pipes which are both of a hollow structure, wherein two adjacent extension pipes are connected end to end, the connecting pipe is arranged between the two adjacent extension pipes, and the outer diameter of each connecting pipe is equal to the inner diameter of each extension pipe; the side walls at the head end and the tail end of the connecting pipe are uniformly distributed with a plurality of groups of connecting hole groups with different heights, and each connecting hole group comprises two connecting holes which are radially and symmetrically arranged; the side wall of the extension pipe is provided with a positioning hole matched with the connecting hole; hollow guide tubes are fixedly connected between the connecting holes which are radially and symmetrically arranged, and adjacent guide tubes are arranged up and down and have the same crossed included angle; the guide tubes at the head end and the tail end of the connecting tube are the same in distribution structure; the locating hole of extension pipe corresponds the setting with the connecting hole of connecting pipe and alternates and is connected with the pipe bolt that is used for fixed extension pipe and connecting pipe.

The outer side wall of the middle position of the connecting pipe is provided with a circle of limiting ring with the outer diameter equal to that of the extension pipe.

The connecting pipe, the extension pipe and the guide pipe are all steel structures.

The included angles of the guide pipes at the head end and the tail end of the connecting pipe are the same.

The guide pipe is of an inverted C-shaped or concave-shaped structure with an opening on the side wall, and the openings of the guide pipes arranged on the inner side wall of the connecting pipe are arranged in the same direction.

The utility model has the advantages that:

the utility model has simple structure, can adjust the installation length of the hole guiding device at any time according to the length of the pile feeding length by the mutual connection of the connecting pipe and the extension pipe, and has flexible use, thereby achieving convenient, rapid and flexible drilling; more importantly, through the arranged guide pipe, the circular pipe bolt can conveniently penetrate through the two radially symmetrical connecting holes, so that the connecting and mounting efficiency is improved; and secondly, the round pipe bolt is protected and positioned, and the round pipe bolt is prevented from shifting due to the pushing of soil entering the device in the drilling process. Just the utility model discloses an earlier tentatively drill before the pile and pile again with earth clearance, both can alleviate the pile dynamics of driving, reduce the energy loss, the pile body of can being convenient for again fixed with squeeze into, avoid pile body slope and skew, reduce the emergence of crowded soil effect, prevent the uplift of the shallow layer soil body and the horizontal extrusion of the deep soil body.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partially enlarged view of fig. 1.

Fig. 3 is a schematic structural view of an extension pipe.

Fig. 4 is a schematic view of an embodiment of a connection tube.

Fig. 5 is a schematic structural view of a connecting pipe provided with a spacing ring.

Detailed Description

To facilitate understanding of those skilled in the art, the structure of the present invention will now be described in further detail with reference to the following examples:

referring to fig. 1-5, a static pressure tubular pile hole guiding device comprises extension pipes 1 and connecting pipes 2 which are both hollow structures, wherein two adjacent extension pipes 1 are connected end to end, the connecting pipe 2 is arranged between the two adjacent extension pipes 1, and the outer diameter of each connecting pipe 2 is equal to the inner diameter of each extension pipe 1; a plurality of groups of connecting hole groups with different heights are uniformly distributed on the side walls at the head end and the tail end of the connecting pipe 2, and each connecting hole group comprises two connecting holes 3 which are radially and symmetrically arranged; the side wall of the extension pipe 1 is provided with a positioning hole 4 matched with the connecting hole 3; hollow guide tubes 5 are fixedly connected between the connecting holes 3 which are radially and symmetrically arranged, and the adjacent guide tubes 5 are arranged up and down and have the same crossed included angle; the guide tubes 5 at the head end and the tail end of the connecting tube 2 are the same in distribution structure; the locating hole 4 of extension pipe 1 corresponds the setting with the connecting hole 3 of connecting pipe 2 and alternates and be connected with the pipe bolt 6 that is used for fixed extension pipe 1 and connecting pipe 2.

Furthermore, the outer side wall of the middle position of the connecting pipe 2 is provided with a circle of limiting ring 7 with the outer diameter equal to that of the extension pipe 1. As shown in fig. 5.

Furthermore, the connecting pipe 2, the extension pipe 1 and the guide pipe 5 are all steel structures.

Furthermore, the included angles of the guide pipes 5 at the head end and the tail end of the connecting pipe 2 are the same.

Furthermore, the guide tube 5 is an inverted C-shaped or concave-shaped structure with an opening on the side wall, and the openings of the guide tube 5 arranged on the inner side wall of the connecting tube 2 are all arranged in the same direction. As shown in fig. 4.

Butt-jointing two extension pipes 1 end to end, and sleeving a connecting pipe 2 in the middle until reaching a limiting ring 7; the connecting holes 3 of the connecting pipe 2 are respectively provided with holes opposite to the positioning holes 4 of the extension pipe 1, and the round pipe inserted pin 6 is inserted into the connecting holes 3 and extends along the guide pipe 5 until the connecting pipe 2 on the other side is found. Compared with the traditional threaded connection mode, the utility model has simple, convenient and quick connection, and the connection is carried out by matching the connection of the connecting hole 3 and the positioning hole 4 and the fixation of the circular tube bolt 6; in addition, the utility model adopts the hollow hole leading extension pipe 1, soil can be placed in the hollow part in the drilling process, and can be taken out along with the pulling-out of the hole leading device, and then the pile body is driven in, so that the soil squeezing effect caused by drilling can be reduced; more importantly, through the arranged guide pipe 5, the circular pipe bolt 6 can conveniently penetrate through the two radially symmetrical connecting holes 3, so that the connecting and mounting efficiency is improved; and secondly, the round pipe bolt 6 is protected and positioned, and the round pipe bolt 6 is prevented from shifting due to the pushing of soil entering the device in the drilling process.

The guide pipes at the head and the tail of the connecting pipe of the utility model are all arranged according to the same included angle, as shown in figure 5.

The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made within the scope of the claims of the present invention should belong to the scope of the present invention.

Claims

1. A static pressure tubular pile hole guiding device comprises extension pipes and connecting pipes which are both of a hollow structure, wherein two adjacent extension pipes are connected end to end, the connecting pipe is arranged between the two adjacent extension pipes, and the outer diameter of each connecting pipe is equal to the inner diameter of each extension pipe; the side walls at the head end and the tail end of the connecting pipe are uniformly distributed with a plurality of groups of connecting hole groups with different heights, and each connecting hole group comprises two connecting holes which are radially and symmetrically arranged; the side wall of the extension pipe is provided with a positioning hole matched with the connecting hole; the method is characterized in that: hollow guide tubes are fixedly connected between the connecting holes which are radially and symmetrically arranged, and adjacent guide tubes are arranged up and down and have the same crossed included angle; the guide tubes at the head end and the tail end of the connecting tube are the same in distribution structure; the locating hole of extension pipe corresponds the setting with the connecting hole of connecting pipe and alternates and is connected with the pipe bolt that is used for fixed extension pipe and connecting pipe.

2. The static pressure pipe pile hole guiding device according to claim 1, characterized in that: the outer side wall of the middle position of the connecting pipe is provided with a circle of limiting ring with the outer diameter equal to that of the extension pipe.

3. The static pressure pipe pile hole guiding device according to claim 1, characterized in that: the connecting pipe, the extension pipe and the guide pipe are all steel structures.

4. The static pressure pipe pile hole guiding device according to claim 1, characterized in that: the included angles of the guide pipes at the head end and the tail end of the connecting pipe are the same.

5. The static pressure pipe pile hole guiding device according to claim 1, characterized in that: the guide pipe is of an inverted C-shaped or concave-shaped structure with an opening on the side wall, and the openings of the guide pipes arranged on the inner side wall of the connecting pipe are arranged in the same direction.