Pile foundation construction steel casing with reinforcement cage temporary anchoring function

Abstract

The utility model discloses a pile foundation construction steel casing with a reinforcement cage temporary anchoring function. The technical problem that the reinforcement cage needs to be temporarily anchored below the reinforcement cage after hole forming and in the welding process is solved. A steel ring and a wedge block are fixedly arranged on the periphery of the steel casing, a bolt hole is formed in the steel ring, an adjusting bolt is installed in the bolt hole and locked by a locking nut, and the lower end of the adjusting bolt is movably connected with the annular body. Inclined holes which are inclined downwards from the outer side of the steel casing to the inner side of the steel casing are formed in the wedge-shaped blocks; an anchor rod is installed in the inclined hole, one end of the anchor rod is a threaded section, the other end of the anchor rod is a hook-shaped body, the hook-shaped body is located in the steel casing, a nut is installed on the threaded section, and the nut abuts against the wedge block. According to the utility model, the anchoring component is additionally arranged on the traditional steel casing, so that the reinforcement cage can be temporarily, reliably and temporarily fixed in the lowering process of the reinforcement cage, and the hoisting workload is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of steel casing of bored pile. BACKGROUND

[0002] In civil construction engineering, according to the design requirement of bored pile, the suitable steel casing is selected to carry out construction, and its main function is to protect the hole wall, which can bear the lateral pressure of the soil around the hole wall during the drilling process, maintain the shape and stability of the hole, and prevent the hole wall from collapsing, so the function of the steel casing is very important. Meanwhile, after the drilling is completed, the steel reinforcement cage needs to be lengthened during the process of lowering the steel reinforcement cage, that is, the upper and lower two sections of the steel reinforcement cage are butt jointed, and the steel reinforcement cage needs to be temporarily anchored during the butt joint process. The current technical means is to use a crane to assist the temporary anchoring of the steel reinforcement cage, and then connect the steel reinforcement cage. The disadvantages of this technical means are obvious, for example, there is shaking, which increases the difficulty of butt joint. UTILITARY MODEL CONTENTS

[0003] In order to solve the problems of the prior art, the utility model provides a pile foundation construction steel casing with temporary anchoring function for steel reinforcement cage, which solves the technical problem of temporary anchoring of the steel reinforcement cage during the process of lowering and welding after hole forming.

[0004] The utility model adopts the technical scheme for solving the technical problems:

[0005] The pile foundation construction steel casing with temporary anchoring function for steel reinforcement cage is characterized in that a steel ring and a wedge-shaped block are fixedly arranged on the periphery of the steel casing, the steel ring is arranged along the axial direction, a bolt hole is arranged on the steel ring along the circumferential direction, an adjusting bolt is arranged in the bolt hole and locked by a lock nut, and the lower end of the adjusting bolt is movably connected with a ring body; the wedge-shaped block is at least two and is uniformly distributed along the circumferential direction, an inclined hole is arranged on the wedge-shaped block and inclined downward from the outer side to the inner side of the steel casing; an anchor rod is arranged in the inclined hole, one end of the anchor rod is a threaded section, the other end is a hook-shaped body, the hook-shaped body is arranged in the interior of the steel casing, a nut is arranged on the threaded section, and the nut abuts against the wedge-shaped block.

[0006] Further, the upper end of the adjusting bolt is a wrench operating end, and the lower end is a ball head, the ball head is connected with the ring body through a ball-and-socket joint.

[0007] Further, the steel ring and the outer wall of the steel casing are welded with a triangular rib.

[0008] The utility model has the advantages of:

[0009] This invention adds an adjustment component to a traditional steel casing, allowing the verticality of the casing to be adjusted. This is effective for local adjustments when the steel casing becomes skewed during use.

[0010] This invention adds anchoring components to the traditional steel casing, enabling temporary and reliable fixation of the reinforcing cage during its lowering process and reducing hoisting workload. Simultaneously, it allows for top-level fixation of the reinforcing cage during grouting of the cast-in-place pile, solving the problem of the cage floating. Attached Figure Description

[0011] Figure 1 This is a perspective view of the steel casing in the embodiment.

[0012] Figure 2 for Figure 1 The main view.

[0013] Figure 3 for Figure 1 Top view.

[0014] Figure 4 for Figure 3 Sectional view A-A.

[0015] Figure 5 This is a 3D view of the steel casing.

[0016] Figure 6 This is a 3D view of the anchor bolt.

[0017] Figure 7 To adjust the 3D view of the components.

[0018] Figure 8 This is a diagram showing the usage status of this technology.

[0019] In the picture:

[0020] 00 steel cage,

[0021] 100 steel casing, 110 steel ring, 120 wedge block, 121 oblique hole.

[0022] 200 Adjustment assembly, 210 Ring body, 220 Adjustment bolt, 230 Locking nut.

[0023] 300 anchoring assembly, 310 anchor bolt, 320 nut. Detailed Implementation

[0024] The steel casing for pile foundation construction with temporary anchoring function for the reinforcing cage is a new type of steel casing with structural improvement. While meeting the basic functions of the steel casing, it also has the function of temporary anchoring during the lowering of the reinforcing cage. This embodiment provides a detailed description of the implementation of this technology.

[0025] refer to Figures 1 to 7 The steel casing has undergone the following technical modifications based on the traditional design:

[0026] A rigid steel ring 110 is welded to the periphery of the steel casing 100. The steel ring 110 has a certain thickness, which meets the space requirements for bolt installation. Bolt holes are provided on the steel ring 110 for installing adjustment components.

[0027] Furthermore, the steel ring can be reinforced by welding triangular ribs between the steel ring and the outer wall of the steel casing, thereby improving the supporting performance of the steel ring.

[0028] Three wedge-shaped blocks 120 are welded above the aforementioned steel ring 100. These wedge-shaped blocks are welded and fixed to the outer periphery of the steel casing and are evenly arranged along the axial direction. The wedge-shaped blocks provide mounting points for the anchoring assembly, which are oblique holes 121 formed by drilling. The presence of these oblique holes effectively ensures the anchoring assembly is properly anchored.

[0029] The system also includes an adjusting assembly 200 and an anchoring assembly 300. The adjusting assembly 200 includes an annular body 210, adjusting bolts 220, and locking nuts 230. The annular body 210 is a steel ring, a plate-shaped annular body, with spherical joint sockets. Multiple vertically positioned adjusting bolts 220 are installed via ball-and-socket joints. After installation, the adjusting bolts are in a vertical position, and each adjusting bolt 220 passes through a bolt hole in the steel ring. Two locking nuts are used to temporarily fix the adjusting bolts to the steel ring. The top of the adjusting bolt is a wrench-operated end, and the bottom is a ball head. The ball head forms a ball-and-socket joint connection with the annular body, allowing the adjusting bolt to be rotated by tightening the wrench, thus adjusting the height difference between the annular body and the steel ring.

[0030] Furthermore, by increasing the surface area of ​​the ring, its support performance can be effectively improved. For example, increasing the contact area between the ring and the ground can effectively ensure that the ring remains stable during adjustment.

[0031] The anchoring assembly 300 includes an anchor rod 310 and a nut 320. One end of the anchor rod is a threaded section, and the other end is a hook-shaped body located inside the steel casing. The anchor rod passes through an oblique hole at the wedge block and is fastened with a nut on the outside. Under the action of the nut, the nut overlaps on the inclined surface of the wedge block, providing a temporary fixing effect on the anchor rod.

[0032] refer to Figure 8 The usage process of this device is as follows:

[0033] The first step is to install the steel casing at the opening of the pile hole where the borehole is located. The hoisting process can be carried out using the aforementioned inclined holes, which is quick and efficient.

[0034] Second, by adjusting the components of the continuous adjustment, so that the steel casing in the best vertical position, and then the process of drilling.

[0035] Third, when the need to drop the reinforcement cage 00, install the anchor assembly described above, and start the reinforcement cage down. Reinforcement cage in the process of downlink need to be mechanical connection cylinder for quick connection, connection, the reinforcement cage 00 temporarily hanging in the above-mentioned anchor rod 310 hook body, forming a temporary fixed, and then with the reinforcement cage above the quick connection can be. Then slightly upwardly lift the reinforcement cage, the anchor rod is pulled up, so that the hook body and reinforcement cage off, the reinforcement cage can continue to downlink, and then the next section of reinforcement cage for the continuation of the connection.

[0036] It should be noted that, in the grouting stage of the cast-in-place pile, by pre-hook body and reinforcement cage using steel binding or steel hoop fixed way, and set the steel ring outside the steel casing pressure distribution weight, can effectively prevent the reinforcement cage floating, this is also one of the active effects of the implementation of the technology.

[0037] The technology in the traditional steel casing on the basis of two improvements, the improvement of the small amount, with very high practicality.

[0038] The modified steel casing in appearance and size with the traditional steel casing is basically equivalent, and can be used, the use cost is relatively low.

[0039] The above-described embodiments are merely preferred embodiments of the present application, and do not limit the scope of the present application. Without departing from the design spirit of the present application, various modifications and improvements of the present application made by those skilled in the art shall fall within the protection scope of the present application.

Claims

1. A pile construction casing with temporary anchoring effect of reinforcement cage, characterized in that: The steel ring is arranged along the axial direction and is provided with bolt holes arranged in the circumferential direction, adjusting bolts are arranged in the bolt holes and locked by lock nuts, and the lower end of the adjusting bolt is movably connected with the annular body.

2. A pile construction casing with temporary anchoring effect of reinforcement cage according to claim 1, characterized in that, The upper end of the adjusting bolt is a wrench operating end, and the lower end is a ball head, which is connected with the annular body through a ball-and-socket joint.

3. A pile construction casing with temporary anchoring effect of reinforcement cage according to claim 1, characterized in that, The steel ring and the outer wall of the steel casing are welded with triangular ribs.

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