Road and foundation pit hidden danger static sounding device based on sound wave detection

Abstract

The utility model provides a road and foundation pit hidden danger static sounding device based on sound wave detection, and relates to the technical field of geological hidden danger detection, the road and foundation pit hidden danger static sounding device comprises a probe rod and a host, the inner bottom of the probe rod is fixedly connected with a static sounding probe, and the position of the inner surface of the probe rod close to the bottom is fixedly connected with a first support; a processor is fixedly connected to the top of the first support, and a second support is fixedly connected to the position, close to the upper side of the first support, of the inner surface of the probe rod. According to the utility model, when hidden danger detection is carried out on a road and a foundation pit, the sound wave speed of a surrounding soil body can be synchronously tested by utilizing a sound wave reflection principle and a static sounding method, and whether the soil body has holes, voids or is not compact or not can be judged by judging sound waves. When the static sounding device works, the static sounding probe is in direct contact with the soil body to test the resistance of the soil body, meanwhile, the sound waves are utilized to achieve large-range soil body state detection, hidden danger detection of the soil body is comprehensive, and the result is accurate.

Description

TECHNICAL FIELD

[0001] The utility model relates to a hidden danger detection survey technical field especially, it relates to a kind of road and foundation pit hidden danger static sounding device based on acoustic wave detection. BACKGROUND

[0002] Geological hidden danger detection survey is an important link in geological exploration and disaster prevention and mitigation, aims to find and assess potential geological disaster risk through scientific methods and technical means, to provide scientific basis for disaster prevention and mitigation.

[0003] In prior art, when static sounding device is used, the probe is usually pressed into soil for detection by static sounding method. In the process of cavity hidden danger detection, it is difficult to infer the nature of soil defects by static sounding test value, when probe resistance is low, it may be due to soft soil, or due to soil defects such as not dense, resulting in certain blindness in survey or detection, and the position and depth of cavity cannot be determined qualitatively and quantitatively, which leads to certain limitation in hidden danger detection, and affects the accuracy of survey results. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problem that in prior art, when static sounding device is used, the probe is usually pressed into soil for detection by static sounding method, and the position and depth of cavity cannot be determined qualitatively and quantitatively in the process of cavity hidden danger detection, which leads to certain limitation in hidden danger detection and affects the accuracy of detection results, and proposes a kind of road and foundation pit hidden danger static sounding device based on acoustic wave detection.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a kind of road and foundation pit hidden danger static sounding device based on acoustic wave detection, including probe rod and host computer, the static sounding probe is fixedly connected in the inner bottom of the probe rod, the first support is fixedly connected on the inner surface of the probe rod near the bottom position, the processor is fixedly connected on the top of the first support, the second support is fixedly connected on the inner surface of the probe rod near the upper side position of the first support, the acoustic wave generator is fixedly connected on the top of the second support, the third support is fixedly connected on the inner surface of the probe rod near the upper side position of the second support, and the acoustic wave receiver is fixedly connected on the top of the third support.

[0006] Preferably, the adapter is fixedly connected on the upper end surface of the probe rod, the adapter top is provided with adapter wire, and the adapter wire is fixedly connected with the input end of the host computer.

[0007] Preferably, the static sounding probe is provided with sounding transmission line on the upper end surface, and the sounding transmission line is electrically connected with the adapter.

[0008] Preferably, the sound wave receiver upper end face is provided with a sound wave transmission line, and the sound wave transmission line is electrically connected with the adapter.

[0009] Preferably, the processor, the sound wave generator and the sound wave receiver are electrically connected through connecting lines.

[0010] Preferably, the probe rod lower end face is fixedly connected with a static sounding probe.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are that: in the utility model, when the road and foundation pit hidden danger is detected, the sound wave reflection principle is used to synchronously test the sound wave velocity of the surrounding soil body with the static sounding method, and the sound wave velocity is used to judge whether the soil body has the problems of cavity, emptying or non-dense. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 A three-dimensional view of a road and foundation pit hidden danger static sounding device based on sound wave detection is provided for the utility model;

[0013] Fig. 2 A bottom view of a road and foundation pit hidden danger static sounding device based on sound wave detection is provided for the utility model;

[0014] Fig. 3 A probe rod structure sectional view of a road and foundation pit hidden danger static sounding device based on sound wave detection is provided for the utility model.

[0015] Legend: 1, probe rod; 2, adapter; 3, adapter line; 4, main machine; 5, static sounding probe; 6, static sounding probe; 7, sounding transmission line; 8, first support; 9, processor; 10, second support; 11, sound wave generator; 12, third support; 13, sound wave receiver; 14, sound wave transmission line. DETAILED DESCRIPTION

[0016] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model is further described below in combination with the drawings and examples.

[0017] In the following description, many specific details are set forth in order to provide a thorough understanding of the utility model, however, the utility model can also be implemented in other ways different from the description herein. Therefore, the utility model is not limited to the specific examples disclosed in the following description.

[0018] Embodiment 1, as shown in Figs. 1-3 The utility model provides a kind of road and foundation pit hidden danger static sounding device based on acoustic wave detection, including probe rod 1 and host computer 4, probe rod 1 inner bottom is fixedly connected with static sounding probe 6, first support 8 is fixedly connected with probe rod 1 inner surface near bottom position, processor 9 is fixedly connected with the top of first support 8, second support 10 is fixedly connected with probe rod 1 inner surface near the upper side position of first support 8, acoustic wave generator 11 is fixedly connected with the top of second support 10, third support 12 is fixedly connected with probe rod 1 inner surface near the upper side position of second support 10, acoustic wave receiver 13 is fixedly connected with the top of third support 12, adapter 2 is fixedly connected with the upper end surface of probe rod 1, adapter 2 top is provided with adapter line 3, adapter line 3 is fixedly connected with the input end of host computer 4, sounding transmission line 7 is arranged on the upper end surface of static sounding probe 6, sounding transmission line 7 is electrically connected with adapter 2, acoustic wave transmission line 14 is arranged on the upper end surface of acoustic wave receiver 13, acoustic wave transmission line 14 is electrically connected with adapter 2, processor 9, acoustic wave generator 11 and acoustic wave receiver 13 are electrically connected by connecting line, probe rod 1 lower end surface is fixedly connected with static sounding probe cover 5.

[0019] Its whole embodiment 1 reaches the effect that, when the hidden danger of road and foundation pit is detected, by the setting of static sounding probe cover 5, probe rod 1 can be inserted into soil body, at this time, probe rod 1 is in the state of deep into ground, by the use of static sounding probe 6 in near bottom position, static sounding probe 6 can measure than penetration resistance or cone tip resistance and sidewall friction resistance, static sounding probe 6 converts resistance into electrical signal, then signal is transmitted to host computer 4 position by the connection of sounding transmission line 7, adapter 2 and adapter line 3, while static sounding probe 6 works, by the cooperation of processor 9, acoustic wave generator 11 and acoustic wave receiver 13, static sounding probe 6 static sounding and acoustic wave detection method can be fused together, after the cooperation of acoustic wave generator 11 and acoustic wave receiver 13, acoustic wave generator 11 sends high-frequency acoustic wave, acoustic wave receiver 13 receives acoustic wave signal, acoustic wave signal is converted into electrical signal after being received, that is, the reflection principle of acoustic wave can be used, and sounding method is synchronous tested soil body's periphery acoustic wave velocity, by judging acoustic wave, whether the problem of cavity, emptying or not dense of soil body exists can be obtained, static sounding device can realize the state detection of soil body in a larger range by using acoustic wave while static sounding probe 6 directly contacts soil body detection, the hidden danger detection of soil body is more comprehensive, and result is more accurate.

[0020] Working principle: through the use of static sounding probe 6 in the position close to the bottom, the static sounding probe 6 can measure the cone tip resistance and sidewall friction resistance, the static sounding probe 6 converts the resistance into an electrical signal, then the signal is transmitted to the host computer 4 position through the connection of sounding transmission line 7, adapter 2 and adapter line 3, while the static sounding probe 6 is working, through the cooperation of the processor 9, the sound wave generator 11 and the sound wave receiver 13, the static sounding probe 6 of the static sounding and the sound wave detection method can be fused together, after the sound wave generator 11 and the sound wave receiver 13 cooperate, the sound wave generator 11 sends out high frequency sound wave, the sound wave receiver 13 receives the sound wave signal, the sound wave signal is converted into an electrical signal after being received, that is, the reflection principle of sound wave can be used to test the sound wave velocity of the surrounding soil body synchronously with the sounding method, through the judgment of the sound wave, whether the soil body has the problems of cavity, void or non-dense can be obtained.

[0021] The sound wave velocity and static sounding ratio penetration resistance empirical reference value of common various soil body medium or geological hidden danger are shown in Table 1:

[0022] Table 1 sound wave velocity and static sounding ratio penetration resistance empirical reference value of common various soil body medium or geological hidden danger

[0023] The above is only the preferred embodiment of the present application, and does not limit the present application in other forms, any skilled person in the art can change or modify the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application still belongs to the protection scope of the present application technical scheme.

Claims

1. A road and foundation pit hidden danger static sounding device based on acoustic wave detection, comprising a sounding rod (1) and a main machine (4), characterized in that: The inner bottom of the probe rod (1) is fixedly connected with a static sounding probe (6), the inner surface of the probe rod (1) is fixedly connected with a first support (8) near the bottom, the top of the first support (8) is fixedly connected with a processor (9), the inner surface of the probe rod (1) is fixedly connected with a second support (10) near the upper side of the first support (8), the top of the second support (10) is fixedly connected with a sound wave generator (11), the inner surface of the probe rod (1) is fixedly connected with a third support (12) near the upper side of the second support (10), and the top of the third support (12) is fixedly connected with a sound wave receiver (13).

2. The road and foundation pit hidden danger static sounding device based on acoustic wave detection according to claim 1, characterized in that: The upper end surface of the probe rod (1) is fixedly connected with an adapter (2), the top of the adapter (2) is provided with an adapter wire (3), and the adapter wire (3) is fixedly connected with the input end of a main machine (4).

3. The road and foundation pit hidden danger static sounding device based on acoustic wave detection according to claim 2, characterized in that: The upper end surface of the static sounding probe (6) is provided with a sounding transmission wire (7), and the sounding transmission wire (7) is electrically connected with the adapter (2).

4. The road and foundation pit hidden danger static sounding device based on acoustic wave detection according to claim 3, characterized in that: The upper end surface of the sound wave receiver (13) is provided with a sound wave transmission wire (14), and the sound wave transmission wire (14) is electrically connected with the adapter (2).

5. The road and foundation pit hidden danger static sounding device based on acoustic wave detection according to claim 4, characterized in that: The processor (9), the sound wave generator (11) and the sound wave receiver (13) are electrically connected through connecting wires.

6. The road and foundation pit hidden danger static sounding device based on acoustic wave detection according to claim 5, characterized in that: The lower end surface of the probe rod (1) is fixedly connected with a static sounding probe (5).

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