Handheld bolt knocking detection device

Abstract

The utility model discloses a handheld bolt knocking detection device, which belongs to the technical field of building detection and comprises a shell main body, a microphone assembly and a plurality of microphones, the microphones are used for capturing knocking sound signals and are uniformly and annularly arranged on the front end surface of the shell main body at intervals; and the vibration exciter is arranged in the shell main body and is provided with a knocking head which penetrates out of the front end surface of the shell main body from the center of the microphone assembly, and the knocking head is detachably connected with a knocking cap. The handheld bolt knocking detection device provided by the utility model can capture sound signals in a fastening state of a knocking bolt, and has the advantages of simple operation and reliable data acquisition.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of building detection, specifically relates to a handheld bolt knock detection device. BACKGROUND

[0002] In industrial production and construction, the fastening state of bolts is crucial for the stability and safety of structures. Looseness in bolt connections can lead to structural failure and safety accidents, therefore, bolt detection technology has always been a focus of research in the industrial and construction fields. Traditional detection methods often rely on manual experience, which is inefficient and limited in accuracy. SUMMARY

[0003] The utility model aims at overcoming the insufficient in prior art, provide a handheld bolt knock detection device, can capture the sound signal under the fastening state of knock bolt, have simple operation, data acquisition is reliable.

[0004] To achieve the above object, the utility model is adopted the following technical scheme:

[0005] The utility model provides a handheld bolt knock detection device, include:

[0006] Shell main part,

[0007] Microphone assembly is equipped with a plurality of capture knock sound signal's microphone, and evenly interval is annularly arranged in the shell main part front end face;

[0008] Vibration exciter, install in the shell main part inside, be equipped with one from the microphone assembly center passes through the knock head of shell main part front end face, the knock head detachable connection one knock cap.

[0009] Further, the shell main part is equipped with front hand holding part and rear hand holding part.

[0010] Further, the shell main part is equipped with battery, and the rear hand holding part is equipped with battery compartment for placing battery.

[0011] Further, the microphone assembly is equipped with 4, 6 or 8 microphones for capturing knock sound signals.

[0012] Further, the shell main part is provided with a signal storage unit, a central control unit and a signal display unit; the signal storage unit is electrically connected with the microphone assembly, the central control unit and the signal display unit respectively; the central control unit is electrically connected with the vibration exciter and the signal display unit.

[0013] Further, the shell main part is further provided with a plurality of control buttons connected with the central control unit.

[0014] Further, the knocking head is provided with external threads, and the knocking cap is provided with internal threads, which are matched and connected with each other.

[0015] Further, the shape of the knocking cap is circular or square.

[0016] The handheld bolt knocking detection device adopts the shell main body provided with a plurality of microphones distributed in a ring shape, a vibration exciter, a knocking head arranged at the center of the microphone assembly, and a knocking cap which can be replaced, and has the advantages of simple structure, convenient handheld, easy to catch the sound signal of the bolt in the fastening state, and simple and efficient operation and accurate data acquisition. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a three-dimensional schematic view of a handheld bolt knocking detection device according to an embodiment of the present utility model;

[0018] Figure 2 is a three-dimensional schematic view of a handheld bolt knocking detection device according to an embodiment of the present utility model;

[0019] In the drawings:

[0020] 1, shell main body; 2, vibration exciter; 3, microphone; 4, knocking head; 5, knocking cap; 6, front handheld part; 7, rear handheld part; 8, battery compartment; 9, battery; 10, display screen; 11, button. DETAILED DESCRIPTION

[0021] The utility model will be further described below in combination with the drawings. The following embodiments are only used to more clearly illustrate the technical scheme of the utility model, and cannot limit the protection scope of the utility model.

[0022] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, a specific orientation and operation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0023] In the description of the utility model, it needs to explain, unless another explicit provision and limitation, the term "installation", "link", "connection" should do the broad sense understanding, for example, can be fixed connection, can be detachable connection, or integrally connected;Can be mechanical connection, can be electrical connection;Can be directly connected, can be indirectly connected through the intermediate medium, can be the communication inside two elements.For ordinary skilled in the art, the above-mentioned terms can be understood by the specific meaning in the utility model through specific circumstances.

[0024] As Figure 1 And Figure 2 The utility model embodiment provides a handheld bolt knocking detection device, comprising:

[0025] Shell main body 1,

[0026] The microphone 3 component is configured with a plurality of microphones 3 for capturing knocking sound signals, and is uniformly spaced and arranged in a ring shape on the front end face of the shell main body 1.Specifically, the microphone 3 component is configured with 4, 6 or 8 microphones 3 for capturing knocking sound signals.

[0027] The exciter 2 is installed inside the shell main body 1 and is configured with a knocking head 4 that passes through the front end face of the shell main body 1 from the center of the microphone 3 component, and a knocking cap 5 is detachably connected to the knocking head 4.Specifically, the knocking head 4 is configured with external threads, and the knocking cap 5 is configured with internal threads, which are threadedly connected to each other.

[0028] In this embodiment, the exciter 2 can be an electric exciter 2, an electromagnetic exciter 2, etc.The detachable knocking cap 5 can be configured with various shapes and structures, such as circular, square, etc., according to the actual bolt structure style, etc., and the impact end face can be arc-shaped, planar or corrugated, etc.

[0029] For example, the electric exciter can be a tension-compression type and a pre-pressing type, and the vibration frequency and amplitude can be controlled by adjusting the input current and voltage.In building bolt detection, the electric exciter can excite the bolt body to produce vibration response by generating periodic vibration, and the signal is captured by the ring-shaped microphone arranged at the front end to collect sound signal data for judging whether the bolt fixing state has defects.

[0030] In this embodiment, the shell main body 1 can be made of a shell material with good mechanical strength, heat resistance and impact resistance, such as ABS plastic.

[0031] The shell main body 1 is configured with a front hand holding part 6 and a rear hand holding part 7.The rear hand holding part 7 is provided with a battery compartment 8 for placing a battery.The battery provides power for various electrical devices of the device.

[0032] In the embodiment, the shell body 1 is provided with a signal storage unit, a central control unit and a signal display unit; the signal storage unit is electrically connected with the microphone 3 assembly, the central control unit and the signal display unit respectively; the central control unit is electrically connected with the exciter 2 and the signal display unit. It should be noted that the technical scheme of the present application only improves and innovates the device structure, and the existing technical module assembly is used for each functional unit, and the internal circuit, processing algorithm and the like of the unit are not improved and limited, and only the storage, control and display functions can be met. In addition, the existing conventional technology integrated module is used for sound signal capture, storage, preprocessing comparison, signal transmission, signal display and the like, and the present application does not make special technical improvement and processing.

[0033] The shell body 1 is also provided with a plurality of control buttons connected with the central control unit.

[0034] The above is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and deformations can be made, and these improvements and deformations should be considered as the protection range of the present application.

Claims

1. A hand-held bolt strike detection device, characterized in that, The application relates to a shell body, a microphone assembly, a vibration exciter, a front hand holding part, a rear hand holding part, a battery, a signal storage unit, a central control unit, a signal display unit, a control button, a knocking head and a knocking cap. The application relates to a shell body, a microphone assembly, a vibration exciter, a front hand holding part, a rear hand holding part, a battery, a signal storage unit, a central control unit, a signal display unit, a control button, a knocking head and a knocking cap. The shell body is provided with a front hand holding part and a rear hand holding part. The shell body is provided with a battery, and the rear hand holding part is provided with a battery compartment for placing the battery.

2. The hand-held bolt strike detection device of claim 1, wherein, The microphone assembly is provided with four, six or eight microphones for capturing knocking sound signals.

3. The hand-held bolt strike detection device of claim 2, wherein, The shell body is provided with a signal storage unit, a central control unit and a signal display unit; the signal storage unit is electrically connected with the microphone assembly, the central control unit and the signal display unit; and the central control unit is electrically connected with the vibration exciter and the signal display unit.

4. The hand-held bolt strike detection device of claim 1, wherein, The shell body is further provided with a plurality of control buttons connected with the central control unit.

5. The hand-held bolt strike detection device of claim 1, wherein, The knocking head is provided with external threads, and the knocking cap is provided with internal threads, which are matched and connected with each other.

6. The hand-held bolt strike detection device of claim 5, wherein, The shape of the knocking cap is circular or square.

7. The hand-held bolt strike detection device of claim 1, wherein, ​ 8. The hand-held bolt strike detection device of claim 1, wherein, ​

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