Guide pipe suitable for construction of inclined cast-in-situ bored pile

Abstract

The utility model relates to a guide pipe suitable for inclined cast-in-situ bored pile construction, which comprises at least two guide pipe bodies, the ends, close to each other, of the two guide pipe bodies are connected with a connecting piece, and the two guide pipe bodies are communicated with each other through the connecting piece; the end, away from the other catheter body, of one catheter body extends to form a conical section, and the conical section is formed in the mode that the conical section is away from the other catheter body and contracts in the direction close to the axis of the conical section. The two guide pipe bodies can be connected, assembled or disassembled through the connecting piece, the guide pipe bodies can be conveniently transported to a construction site, the construction efficiency is improved, the conical section is arranged at one end of one guide pipe body, and therefore in the lowering process, the corner between the conical section and the guide pipe body connected with the conical section can make contact with an inclined reinforcement cage, and the construction efficiency is improved. The problem that when a traditional guide pipe is lowered and installed, the lower end of the guide pipe is prone to colliding with stiffening stirrups of a reinforcement cage is solved.

Description

Technical Field

[0001] The present application relates to the field of engineering construction, and in particular to a conduit suitable for inclined bored pile construction. Background Art

[0002] Inclined bored piles refer to piles with a certain angle between the vertical direction and the ground when the pile foundation is buried. With the continuous development of my country's economic construction, more and more large-scale building roofs are space truss structures, such as large gymnasiums and railway stations. In addition to bearing the downward pressure and horizontal force of the structural load, the support will also generate upward tension when bearing wind loads. The stress characteristics of the inclined pile structure are just suitable for the stress characteristics of this type of structure. Not only is the single pile bearing capacity of the inclined pile greater than that of the vertical pile, but the inclined pile can also be used to reduce the shear force and bending moment caused by the lateral load, giving full play to the axial compressive capacity of the pile foundation. The inclined pile has a simple structure, clear force, good economy, and is increasingly widely used.

[0003] In the related art, the traditional conduit is cylindrical in shape. When it is lowered for installation, its bottom end face is easy to collide with the reinforcing stirrups of the inclined bored pile reinforcement cage, affecting the lowering work of the conduit, and even the conduit and the reinforcement cage are stuck with each other, affecting the pouring quality of concrete. Summary of the invention

[0004] The present application provides a conduit suitable for the construction of inclined bored piles, in which the corner between the tapered section and the conduit body connected thereto will contact the inclined steel cage, thereby improving the problem that the lower end of the conduit is easily collided with the reinforcing stirrups of the steel cage during the lowering and installation and removal of the traditional conduit, thereby ensuring the smooth lowering of the conduit body.

[0005] The present application provides a conduit suitable for inclined bored pile construction, which includes:

[0006] At least two catheter bodies, one end of the two catheter bodies close to each other is connected with a connector, the connector connects the two catheter bodies to each other, one end of one catheter body extends away from the other catheter body to form a tapered section, and the tapered section shrinks towards the direction away from the other catheter body and towards its own axis.

[0007] In one embodiment, a side wall of the tapered section is provided with a plurality of notches, and the plurality of notches are distributed at intervals along the circumferential direction of the tapered section.

[0008] In one embodiment, along the spacing direction from the connecting member to the tapered section, the opening of the notch gradually becomes larger.

[0009] In one embodiment, the shape of the notch includes a triangle, an isosceles trapezoid or an arc.

[0010] In one embodiment, the number of the gaps is four, five or six.

[0011] In one embodiment, the sum of the total areas of the plurality of notches is greater than or equal to the side wall area of ​​the tapered section.

[0012] In one embodiment, the connector comprises:

[0013] An externally wrapped threaded tube, wherein the inner wall of the externally wrapped threaded tube is provided with an internal thread;

[0014] The outer wall of one end of the catheter body close to the outer threaded tube is provided with an outer thread, and the two catheter bodies are threadedly connected with the outer threaded tube.

[0015] In one embodiment, the connector comprises:

[0016] An inner-wrapped threaded tube, wherein the outer walls at both ends of the inner-wrapped threaded tube are provided with inner threads;

[0017] An inner wall of one end of the catheter body close to the inner-wrapped threaded tube is provided with an internal thread, and the two catheter bodies are threadedly connected with the outer-wrapped threaded tube.

[0018] In one embodiment, the connector comprises:

[0019] A connecting pipe, the inner wall of which is fixed with a circular ring;

[0020] One end of the catheter body is inserted into the interior of the connecting pipe and abuts against the circular ring.

[0021] In one embodiment, the catheter body comprises a metal catheter, a plastic catheter, or a fiberglass catheter.

[0022] The beneficial effects brought by the technical solution provided in the embodiments of the present application include:

[0023] The connection, assembly or disassembly between the two conduit bodies can be achieved through the connecting piece, which is convenient for transportation to the construction site and improves construction efficiency. When the conduit body is lowered into the steel cage of the inclined bored pile, one end of one of the conduit bodies is provided with a tapered section. Therefore, during the lowering process, the corner between the tapered section and the conduit body connected to it will contact the inclined steel cage, thereby improving the problem that the lower end of the traditional conduit is easily collided with the reinforcing stirrups of the steel cage when the conduit is lowered and installed, thereby ensuring the smooth lowering of the conduit body. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0025] Figure 1 It is a front view structural schematic diagram of the connection of two catheter bodies;

[0026] Figure 2 for Figure 1 A is a schematic diagram of the enlarged structure of the middle part;

[0027] Figure 3 It is a schematic diagram of the structure of the tapered section when viewed from above;

[0028] Figure 4 The schematic diagram of the front view structure of the guide tube inserted into the steel cage suitable for the inclined bored pile construction.

[0029] In the figure: 1. conduit body; 2. connector; 21. externally wrapped threaded tube; 3. tapered section; 31. notch; 4. steel cage. DETAILED DESCRIPTION

[0030] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0031] The embodiment of the present application provides a conduit suitable for the construction of inclined bored piles. The corner between the tapered section and the conduit body connected to it will contact the inclined steel cage, thereby improving the problem that the lower end of the conventional conduit is easily collided with the reinforcing stirrups of the steel cage during the lowering and installation and removal of the conduit, thereby ensuring the smooth lowering of the conduit body.

[0032] like Figure 1 As shown, an embodiment of the present application provides a conduit suitable for inclined bored pile construction, which may include: at least two conduit bodies 1, the ends of the two conduit bodies 1 close to each other are connected with a connector 2, the connector 2 connects the two conduit bodies 1 to each other, one end of one conduit body 1 extends away from the other conduit body 1 to form a conical section 3, and the conical section 3 shrinks in a direction away from the other conduit body 1 and towards its own axis.

[0033] Among them, Figure 1 As shown, the upper catheter body 1 and the lower catheter body 1 can be connected through a connector 2, and the bottom end of the lower catheter body 1 extends downwardly through a conical section 3, and the inner diameter of the conical section 3 gradually decreases from top to bottom. Figure 4 As shown, the connection assembly or disassembly between the two conduit bodies 1 can be achieved through the connecting piece 2, which is convenient for transportation to the construction site and improves the construction efficiency. When the conduit body 1 is lowered into the steel cage 4 of the inclined bored pile, since a conical section 3 is provided at one end of the conduit body 1 below, during the lowering process, the corner between the conduit body 1 connected to the conduit body 1 will contact the inclined steel cage 4, thereby improving the problem that the lower end of the traditional conduit is easy to collide with the reinforcing stirrups of the steel cage 4 when the conduit is lowered and installed, thereby ensuring the smooth lowering of the conduit body 1.

[0034] In some embodiments, Figure 2 and Figure 3 As shown, the side wall of the tapered section 3 is provided with a plurality of notches 31, which are spaced apart along the circumferential direction of the tapered section 3. After the lowering of the conduit body 1 is completed, the notches 31 can ensure the normal pouring of concrete, facilitate the pouring of concrete from the tapered section 3, and prevent the concrete from being blocked in the tapered section 3.

[0035] In some embodiments, Figure 2 As shown, the opening of the notch 31 gradually increases along the spacing direction from the connector 2 to the tapered section 3. From top to bottom, the opening of the notch 31 gradually increases, which can increase the pouring speed of concrete and make it easier for concrete to flow out of the tapered section 3.

[0036] Exemplarily, the shape of the notch 31 includes a triangle, an isosceles trapezoid or an arc. Figure 2 As shown, the shape of the notch 31 may be an isosceles trapezoid.

[0037] Exemplarily, the number of the notches 31 is four, five or six, wherein the number of the notches 31 is proportional to the inner diameter of the catheter body 1 .

[0038] In some embodiments, the total area of ​​the plurality of notches 31 is greater than or equal to the side wall area of ​​the tapered section 3. The concrete pouring work in the tapered section 3 can be ensured by ensuring the total area of ​​the notches 31.

[0039] In some embodiments, Figure 1As shown, the connector 2 may include: an outer threaded tube 21, the inner wall of which is provided with an inner thread; the outer wall of the catheter body 1 close to the outer threaded tube 21 is provided with an outer thread, and the two catheter bodies 1 are threadedly connected with the outer threaded tube 21. Among them, the ends of the two catheter bodies 1 close to each other can be threadedly connected to the inside of the outer threaded tube 21.

[0040] In some embodiments, the connector 2 may include: an inner threaded tube, the outer walls of both ends of the inner threaded tube are provided with inner threads; the inner wall of one end of the catheter body 1 close to the inner threaded tube is provided with inner threads, and the two catheter bodies 1 are threadedly connected with the outer threaded tube 21. Of course, the inner threaded tube can be threadedly connected to the inner ends of the two catheter bodies 1 close to each other, so that the inner threaded tube is hidden in the catheter body 1.

[0041] In some embodiments, the connector 2 may include: a connecting tube, a circular ring is fixed on the inner wall of the connecting tube; one end of the catheter body 1 is inserted into the interior of the connecting tube and abuts against the circular ring. The catheter body 1 and the connecting tube may be assembled by interference fit, and the circular ring may remind the staff that the catheter body 1 is assembled in place.

[0042] In some embodiments, the catheter body 1 includes a metal catheter, a plastic catheter or a fiberglass catheter.

[0043] In some of the above embodiments, Figure 4 As shown, the angle of the steel cage 4 tilting to the left is smaller than the angle of the tapered section 3 tilting inwardly. By controlling the angle of the tapered section 3 tilting inwardly, the smooth lowering effect of the catheter body 1 can also be improved.

[0044] In the description of the present application, it should be noted that the terms "upper", "lower", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. Unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0045] It should be noted that, in this application, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0046] The above description is only a specific implementation of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features applied for herein.

Claims

1. A conduit suitable for inclined bored pile construction, It is characterized in that It includes: At least two catheter bodies (1), one end of the two catheter bodies (1) close to each other is connected with a connector (2), the connector (2) connects the two catheter bodies (1) to each other, one end of one of the catheter bodies (1) extends away from the other catheter body (1) to form a tapered section (3), and the tapered section (3) contracts in a direction away from the other catheter body (1) and towards its own axis.

2. The conduit suitable for inclined bored pile construction as claimed in claim 1, It is characterized in that The side wall of the conical section (3) is provided with a plurality of notches (31), and the plurality of notches (31) are distributed at intervals along the circumferential direction of the conical section (3).

3. The conduit suitable for inclined bored pile construction as claimed in claim 2, It is characterized in that Along the spacing direction from the connecting piece (2) to the tapered section (3), the opening of the notch (31) gradually becomes larger.

4. The conduit suitable for inclined bored pile construction as claimed in claim 3, It is characterized in that The shape of the notch (31) includes a triangle, an isosceles trapezoid or an arc.

5. The conduit suitable for inclined bored pile construction as claimed in claim 3, It is characterized in that The number of the notches (31) is four, five or six.

6. The conduit suitable for inclined bored pile construction as claimed in claim 2, It is characterized in that The sum of the total areas of the plurality of notches (31) is greater than or equal to the side wall area of ​​the tapered section (3).

7. The conduit suitable for inclined bored pile construction as claimed in claim 1, It is characterized in that The connecting member (2) comprises: An externally wrapped threaded tube (21), wherein the inner wall of the externally wrapped threaded tube (21) is provided with internal threads; The outer wall of one end of the catheter body (1) close to the outer threaded tube (21) is provided with an external thread, and the two catheter bodies (1) are threadedly connected to the outer threaded tube (21).

8. The conduit suitable for inclined bored pile construction as claimed in claim 1, It is characterized in that The connecting member (2) comprises: An inner-wrapped threaded tube, wherein the outer walls at both ends of the inner-wrapped threaded tube are provided with inner threads; An inner wall of one end of the catheter body (1) close to the inner-enclosed threaded tube is provided with an internal thread, and the two catheter bodies (1) are threadedly connected to the inner-enclosed threaded tube.

9. The conduit suitable for inclined bored pile construction as claimed in claim 1, It is characterized in that The connecting member (2) comprises: A connecting pipe, the inner wall of which is fixed with a circular ring; One end of the catheter body (1) is inserted into the interior of the connecting pipe and abuts against the circular ring.

10. The conduit suitable for inclined bored pile construction as claimed in claim 1, It is characterized in that The catheter body (1) comprises a metal catheter, a plastic catheter or a glass fiber reinforced plastic catheter.

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