Pile casing for bored pile grouting

Abstract

A pile casing for drilling and pile grouting comprises a circular-ring-shaped casing body with two open ends and a stop plate connected to the top end of the casing body in a sliding mode, the casing body is composed of a first half casing body and a second half casing body, the cross sections of the first half casing body and the second half casing body are semicircular, the diameters of the first half casing body and the second half casing body are equal, and a clamping rail and a clamping groove which are matched with each other are arranged at the joint of the first half casing body and the second half casing body respectively. And the first half cylinder and the second half cylinder are detachably connected. The first half cylinder and the second half cylinder are detachably connected and can be separated in the transportation process, so that the overall size is reduced, and transportation and carrying are facilitated; due to the sliding nesting design of the barrel body and the stop plate, the overall size can be effectively reduced, the occupied space is small in the transportation process, and meanwhile adjustment can be conducted according to needs in the transportation process so as to adapt to different transportation modes and space limitation; the stop plate and the cylinder body are fixedly connected through the bolt, the connecting mode is simple and reliable, and it can be guaranteed that loosening or falling off cannot occur due to vibration or other factors in the transportation process.

Description

Technical Field

[0001] The utility model relates to the technical field of bored pile tools, and more particularly to a casing for bored piles. Background Art

[0002] Casing is a common tool used in bored pile construction, which plays a role in preventing soil collapse at the hole mouth and guiding. Casing is a hollow structure, which occupies the effective space of the transport vehicle during transportation. The number of casings that can be transported at one time is limited, and it is easy to deform during transportation and loading and unloading. Especially during long-distance transportation, the transportation cost of casing is higher. In addition, due to the cylindrical shape of the casing, traffic accidents caused by emergency braking during transportation frequently occur.

[0003] Therefore, how to provide a casing for bored piles that is easy to transport and improves transportation safety is a problem that those skilled in the art urgently need to solve. Utility Model Content

[0004] In view of this, the utility model provides a casing for bored piles.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution, including a cylinder body with openings at both ends and a circular ring shape, and a stop plate slidably connected to the top of the cylinder body, the cylinder body is composed of a first half cylinder and a second half cylinder, both of which have semicircular cross-sections and equal diameters, and matching rails and grooves are respectively provided at the junction of the first half cylinder and the second half cylinder for detachably connecting the first half cylinder and the second half cylinder.

[0006] Preferably, in the above-mentioned casing for pile boring, the top of the barrel is provided with an annular slide groove coaxial with the side wall, the stop plate has a fan-shaped cross section, and can be embedded in the slide groove and rotate and slide around the central axis of the barrel.

[0007] Preferably, in the above-mentioned casing for pile drilling, both ends of the top surface of the stop plate are provided with through holes, and the bottom surface of the top slide groove of the barrel body is provided with screw holes equal in number to the through holes, and bolts can pass through the through holes and be screwed into the screw holes to fix the stop plate to the barrel body.

[0008] Preferably, in the above-mentioned casing for pile boring, a driving strip along the radial direction of the casing body is provided on the top surface of the stop plate for driving the stop plate to slide in the slide groove.

[0009] Preferably, in the casing for pile boring, two stop plates are provided, and when the two stop plates are fixed to the casing body, they are respectively covered on the top ends of the two connecting parts of the first half-tube and the second half-tube.

[0010] Preferably, in the above-mentioned casing for pile boring, the rail is a protruding portion with an "L"-shaped cross section, and the groove is an inner recessed portion with an "L"-shaped cross section.

[0011] Preferably, in the above-mentioned casing for pile boring, the rail is a protruding portion with a "T"-shaped cross section, and the groove is a recessed portion with a "T"-shaped cross section.

[0012] It can be seen from the above technical solution that compared with the prior art, the utility model discloses a casing for bored piles, in which the first half-tube and the second half-tube are designed to be detachably connected, and they can be separated and stacked in an overlapping manner during transportation, thereby reducing the overall volume and facilitating transportation and handling; the sliding nesting design of the tube body and the stop plate can effectively reduce the overall size, occupying less space during transportation, and can be adjusted as needed during transportation to adapt to different transportation methods and space restrictions; the stop plate and the tube body are fixedly connected by bolts, and this connection method is simple and reliable, and can ensure that they will not loosen or fall off due to vibration or other factors during transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0014] Figure 1 The accompanying drawing is a schematic diagram of the overall framework of the utility model.

[0015] Figure 2 The accompanying drawing is a schematic diagram of the half barrel structure of the utility model.

[0016] Figure 3 The accompanying drawings are Figure 2 Enlarged view of part A.

[0017] Figure 4 The accompanying drawings are Figure 2 Enlarged view of part B.

[0018] Figure 5 The accompanying drawing is a schematic diagram of the other half of the barrel structure of the present invention.

[0019] Figure 6 The accompanying drawings are Figure 5 Enlarged view of part C.

[0020] Figure 7 The accompanying drawings are Figure 5 Enlarged view of part D in the middle.

[0021] Figure 8 The accompanying drawing is a structural diagram of the stop plate of the present utility model.

[0022] Fig. 9 The accompanying drawing is a schematic diagram of a partial assembly structure of the utility model.

[0023] Fig.10 The accompanying drawing is a schematic diagram of one of the stacking methods during transportation of the utility model.

[0024] In the figure, 1-cylinder body, 11-rail, 12-slot, 16-slide groove, 161-screw hole, 17-stop plate, 171-through hole, 172-drive bar, 18-bolt. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0027] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0029] Please see attached Figure 1-10 , is a casing for bored piles disclosed by the utility model.

[0030] Embodiment 1:

[0031] The utility model mainly comprises: a cylinder body 1 with openings at both ends and in a circular ring shape, and a stopper plate 17 slidably connected to the top of the cylinder body 1. The cylinder body 1 is composed of a first half cylinder and a second half cylinder, both of which are semicircular in cross section and have equal diameters. The joints of the first half cylinder and the second half cylinder are respectively provided with matching clamping rails 11 and clamping grooves 12, which are used to detachably connect the first half cylinder and the second half cylinder. During transportation, they can be separated and stacked in an overlapping manner, thereby reducing the overall volume and facilitating transportation and handling.

[0032] It should be noted that the rail 11 is a protruding portion with an L-shaped cross section, and the slot 12 is an inner recessed portion with an L-shaped cross section. Preferably, the rail 11 is a protruding portion with a T-shaped cross section, and the slot 12 is an inner recessed portion with a T-shaped cross section.

[0033] Embodiment 2:

[0034] The utility model mainly comprises: a cylinder body 1 with openings at both ends and in a circular ring shape, and a stopper plate 17 slidably connected to the top of the cylinder body 1. The cylinder body 1 is composed of a first half cylinder and a second half cylinder, both of which are semicircular in cross section and have equal diameters. The joints of the first half cylinder and the second half cylinder are respectively provided with matching clamping rails 11 and clamping grooves 12, which are used to detachably connect the first half cylinder and the second half cylinder. During transportation, they can be separated and stacked in an overlapping manner, thereby reducing the overall volume and facilitating transportation and handling.

[0035] The top of the barrel 1 is provided with an annular slide groove coaxial with the side wall. The stop plate 17 has a fan-shaped cross section and can be embedded in the slide groove 16 and rotate and slide around the central axis of the barrel 1.

[0036] It should be noted that the side wall of the slide groove 16 is formed with an edge to prevent the stop plate 17 from escaping along the axis of the barrel, so as to limit the stop plate 17 to horizontal rotation only in the slide groove 16 .

[0037] The two ends of the top surface of the stop plate 17 are provided with through holes 171, and the bottom surface of the top slide groove 16 of the barrel 1 is provided with screw holes 161 equal in number to the through holes 171. The bolts 18 can pass through the through holes 171 and be screwed into the screw holes 161 to fix the stop plate 17 to the barrel 1.

[0038] It should be noted that when the first half cylinder and the second half cylinder are spliced ​​together, the stop plate 17 can be slid to the top of the connection between the first half cylinder and the second half cylinder to prevent the first half cylinder and the second half cylinder from being separated.

[0039] A driving strip 172 is disposed on the top surface of the stop plate 17 along the radial direction of the barrel 1 for driving the stop plate 17 to slide in the slide groove 16 .

[0040] It should be noted that the driving bar 172 can be manually moved during use, and the stop plate 17 can be rotated relatively easily without the aid of other tools, thereby improving portability.

[0041] Preferably, two stop plates 17 are provided, and when the two stop plates 17 are fixed to the barrel body 1, they are respectively covered on the top ends of the two connecting parts of the first half barrel and the second half barrel.

[0042] It should be noted that the rail 11 is a protruding portion with an L-shaped cross section, and the slot 12 is an inner recessed portion with an L-shaped cross section. Preferably, the rail 11 is a protruding portion with a T-shaped cross section, and the slot 12 is an inner recessed portion with a T-shaped cross section.

[0043] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.

[0044] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A casing for bored piles, characterized in that: The invention comprises a cylindrical body (1) with openings at both ends and in a circular shape, and a stopper plate (17) slidably connected to the top of the cylindrical body (1). The cylindrical body (1) is composed of a first half-cylinder and a second half-cylinder, both of which have semicircular cross-sections and equal diameters. Matching clamping rails (11) and clamping grooves (12) are respectively provided at the joints between the first half-cylinder and the second half-cylinder, so as to detachably connect the first half-cylinder and the second half-cylinder.

2. The casing for pile boring according to claim 1, characterized in that: The top of the barrel (1) is provided with an annular sliding groove coaxial with the side wall. The stop plate (17) has a fan-shaped cross section and can be embedded in the sliding groove (16) to rotate and slide around the central axis of the barrel (1).

3. The casing for bored pile according to claim 2, characterized in that: Through holes (171) are provided at both ends of the top surface of the stop plate (17), and screw holes (161) equal in number to the through holes (171) are provided on the bottom surface of the top slide groove (16) of the barrel (1), and bolts (18) can pass through the through holes (171) and be screwed into the screw holes (161) to fix the stop plate (17) and the barrel (1).

4. The casing for bored pile according to claim 3, characterized in that: The top surface of the stop plate (17) is provided with a driving strip (172) along the radial direction of the barrel (1) for driving the stop plate (17) to slide in the slide groove (16).

5. The casing for bored pile according to claim 4, characterized in that: Two stop plates (17) are provided, and when the two stop plates (17) are fixed to the barrel body (1), they are respectively arranged to cover the top ends of the two connecting parts of the first half barrel and the second half barrel.

6. The casing for bored pile according to claim 1 or 5, characterized in that: The clamping rail (11) is a protruding portion with an "L"-shaped cross section, and the clamping groove (12) is an inner recessed portion with an "L"-shaped cross section.

7. The casing for bored pile according to claim 1 or 5, characterized in that: The clamping rail (11) is a protruding portion with a "T"-shaped cross section, and the clamping groove (12) is a recessed portion with a "T"-shaped cross section.

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