Pile foundation ultrasonic detection device

Abstract

The utility model relates to the technical field of pile foundation detection, in particular to a pile foundation ultrasonic detection device which comprises a solid metal rod, a wire and an ultrasonic device, the metal rod is bound and fixed with a reinforcement cage stirrup, the metal rod is arranged along the pile length direction of a pile foundation, and the wire is connected with the ultrasonic device. The metal rod is connected with the ultrasonic device through the wire. The utility model has the advantages that: 1) the metal rod with a solid structure is used as an embedded part for ultrasonic detection, so that the blockage phenomenon of a similar sounding pipe is avoided; the metal bar is high in rigidity, free of bending and breakage and high in survival rate; installation is convenient, and binding is adopted; the metal bars can replace main reinforcements of the reinforcement cage, materials are saved, the purpose of test detection is achieved, the pile foundation is not affected, and the feasibility of the ultrasonic detection test is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of pile foundation detection, in particular to an ultrasonic detection device for pile foundation. Background Art

[0002] At present, the way to realize ultrasonic detection of bored cast-in-place piles is to embed pipes in the steel cage in advance. After the concrete pouring of the pile foundation is completed and meets the age requirements, the integrity of the pile foundation concrete is judged by the time between the ultrasonic transmitting tube and the receiving tube. However, sometimes the embedded pipes are not properly protected and the survival rate is low, making it impossible to detect the pile foundation ultrasonically. Summary of the invention

[0003] The purpose of the utility model is to provide a pile foundation ultrasonic detection device based on the above-mentioned deficiencies of the prior art, which adopts a solid metal rod that can transmit and receive ultrasonic waves as an embedded part for ultrasonic detection test. After the pile foundation concrete is poured and meets the age requirements, the metal rod is found by excavating the earth, and a special ultrasonic device is used to react the sound wave transmission time between the metal rods, so as to judge the integrity of the pile foundation concrete.

[0004] The purpose of this utility model is achieved by the following technical solutions:

[0005] A pile foundation ultrasonic detection device is used to perform ultrasonic detection on the pile foundation, wherein a plurality of steel cage main bars arranged along the pile length direction of the pile foundation are arranged inside the pile foundation, and the plurality of steel cage main bars are bound and fixed by steel cage stirrups to form an integral structure, and the characteristic is that: the detection device comprises a solid metal rod, a wire and an ultrasonic device, wherein the metal rod is bound and fixed with the steel cage stirrups and the metal rod is arranged along the pile length direction of the pile foundation, and the wire connects the metal rod with the ultrasonic device.

[0006] Two metal rods are arranged inside the pile foundation, and the two metal rods are connected to the ultrasonic device through the wires respectively.

[0007] The metal rod is tied and fixed to the stirrups of the steel cage as a part of the main reinforcement of the steel cage.

[0008] A plurality of the main reinforcement bars of the steel cage and the metal rods are evenly arranged in an array along the cross-sectional direction of the pile body of the pile foundation and are tied and fixed by the steel cage hoops to form an integral structure.

[0009] The advantages of the utility model are:

[0010] 1) Use solid metal rods as embedded parts for ultrasonic testing to prevent blockage similar to that of ultrasonic testing tubes; the metal rods themselves have high rigidity, no bending or breaking, and high survival rate; they are easy to install and can be tied together;

[0011] 2) Metal rods can replace the main reinforcement of the steel cage, which not only saves materials but also achieves the purpose of test and detection; it has no impact on the pile foundation and ensures the feasibility of the ultrasonic detection test. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a top view of the arrangement structure of the utility model;

[0013] Figure 2 It is a cross-sectional view of the arrangement structure of the utility model. DETAILED DESCRIPTION

[0014] The following is a further detailed description of the features of the present invention and other related features through embodiments in conjunction with the accompanying drawings to facilitate understanding by technicians in the same industry:

[0015] like Figure 1-2 As shown, the marks 1-5 in the figure respectively represent: main reinforcement 1 of the reinforcement cage, stirrups 2 of the reinforcement cage, metal rods 3, conductors 4, and ultrasonic devices 5.

[0016] Example: Figure 1 to Figure 2 As shown, the pile foundation ultrasonic detection device in this embodiment is used to perform ultrasonic detection on the integrity of the pile foundation concrete pouring to judge the quality of the pile foundation concrete.

[0017] Specifically, if Figure 1 and Figure 2 As shown, the detection device includes a metal rod 3, a wire 4 and an ultrasonic device 5. The steel cage 1 of the pile foundation and the steel cage stirrups 2 form a steel cage skeleton of the pile foundation, and the solid metal rod 3 is fixed to the steel cage stirrups 2 by binding. After the pile foundation concrete is poured and meets the age requirement, the wire 4 is used to connect the metal rod 3 to the ultrasonic device 5.

[0018] In this embodiment, if Figure 1 As shown, two metal rods 3 are tied and fixed in the pile foundation. The two metal rods 3 are arranged on opposite sides of the cross section of the pile foundation. The two metal rods 3 are connected to the ultrasonic device 5 through two independent wires 4 respectively; the integrity of the pile foundation concrete is reflected through the transmission and reception of ultrasonic waves. In this embodiment, the ultrasonic device 5 is an ultrasonic emitting device and also an ultrasonic device. When the wire 4 connects the metal rod 3 with the ultrasonic device 5, ultrasonic waves are emitted to the two metal rods 3 at the same time. Through the interaction between ultrasonic waves, the metal rods 3 feed back information to the ultrasonic device 5, thereby reflecting the integrity of the pile foundation concrete.

[0019] In some cases, such as Figure 1As shown, the main reinforcement bars 1 of the steel cage and the metal rods 3 are evenly arranged in an array along the cross-sectional direction of the pile body of the pile foundation and are tied and fixed by the steel cage stirrups 2 to form an overall structure. At this time, the metal rods 3 serve as a part of the array of several main reinforcement bars 1 of the steel cage, that is, they replace the main reinforcement bars 1 of the steel cage in the original position, thereby saving materials and achieving the purpose of ultrasonic test detection.

[0020] Although the above embodiments have described the concepts and embodiments of the purpose of the utility model in detail with reference to the accompanying drawings, ordinary technicians in this field can recognize that various improvements and modifications can still be made to the utility model without departing from the scope of the claims, so they are not described one by one here.

Claims

1. A pile foundation ultrasonic detection device, used for ultrasonic detection of pile foundation, wherein a plurality of steel cage main bars arranged along the pile length direction are arranged inside the pile foundation, and the plurality of steel cage main bars are tied and fixed by steel cage hoop bars to form an integral structure, characterized in that: The detection device comprises a solid metal rod, a wire and an ultrasonic device, wherein the metal rod is tied and fixed to the steel cage stirrups and arranged along the pile length direction of the pile foundation, and the wire connects the metal rod and the ultrasonic device.

2. The ultrasonic detection device for pile foundation according to claim 1, characterized in that: Two metal rods are arranged inside the pile foundation, and the two metal rods are connected to the ultrasonic device through the wires respectively.

3. The ultrasonic detection device for pile foundation according to claim 1, characterized in that: The metal rod is tied and fixed to the stirrups of the steel cage as a part of the main reinforcement of the steel cage.

4. The ultrasonic detection device for pile foundation according to claim 3, characterized in that: A plurality of the main reinforcement bars of the steel cage and the metal rods are evenly arranged in an array along the cross-sectional direction of the pile body of the pile foundation and are tied and fixed by the steel cage hoops to form an integral structure.

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