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  • Address: Chengdu City, Sichuan Province, Wuhou District City, province, Wu Xing 28 Road, west 4, 7, five,


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    Bolt quality detector

    Device name
    Bolt quality detector

    Test items


    Test object: Large-scale construction projects such as roads, railways, water conservancy, and ports

    Test content: Anchor cable: buried length
    Anchor: Buried length, grouting compactness


    Instrument selection



    1. Industrial Standards of the People's Republic of China: Technical Specifications for Non-destructive Testing of Anchor Rod Anchorage Quality (JGJ/T182-2009) [S]. Ministry of Housing and Urban-Rural Development of the People's Republic of China;

    2. Power industry standard of the People's Republic of China: Non-destructive testing procedures for anchors in water conservancy and hydropower projects (DL/T5424-2009) [S]. National Energy Administration of the People's Republic of China.
    3. Science and Technology Research Institute of China Railway Second Institute Engineering Group Co., Ltd.: Technical Regulations for Railway Tunnel Bolt Support (to be issued)

    According to the standard


    Related patents

    Patent name: Method for absorbing shock wave elastic wave excitation residual signal to identify reflected wave signal

    Patent No.: ZL200910082851.4


    product description


    Artificial and automatic dual-mode analysis


    Creative anti-secondary excitation mode



    Unique Coupling Mode



    Sichuan Shengtuo Testing Technology Co., Ltd. provides anchor quality detectors. The equipment is mainly used for the quality inspection of slope tunnels, anchors and anchor cables of large-scale engineering projects such as roads, railways, water conservancy and ports. It can test the length of anchors/anchors and can also be qualitative for grouting compactness. test.

    In the test of anchor/anchor length and grouting density, the self-developed noise reduction technology and reflection signal extraction technology were also adopted, and the national invention patent was obtained.


    Test principle and method

    1. Detecting grout defects in the length of the anchor and the entire length based on the reflection characteristics of the impact elastic wave;

    2. Detecting the vicinity of the anchor head or the grouting defect of the short anchor rod based on the attenuation characteristic of the impact elastic wave;

    3. Detect the effective tension of the rock anchor based on the equivalent mass method (TTEM).


    Results and technical characteristics


    The effective tension of the rock anchor can be tested (equivalent mass method, TTEM);

    Can test the quality of rock anchor grouting;

    The accuracy and range of the rock anchor length test have been greatly improved.


    Anchor quality detector

    Corresponding parameter set not found, please add it in property template of background
    1 Provide database management services, and can be docked with BIM system, to achieve the visualization of test results model; with the database linkage, can carry out test results cloud AI (artificial intelligence) analysis
    2 operating system:windows
    3 Waveform Noise Processing and Spectrum Analysis: Mobile Smoothing、BPF、EMD、FFT、MEM
    4 Channel number: 2 channels (VMC technology can be extended to multiple channels), trigger channels and receive channels are interchangeable
    5 Signal Processing Technology: Eliminating Residual Signal of Excitation; Integral Processing and Average Processing
    6 Data acquisition: support touch, wireless dual mode; support single, continuous dual mode sampling
    7 working temperature:0~45℃  
    8 Working hours: more than 6 hours of continuous work              
    9 Sampling accuracy: floating-point interpolation compensation to 24 bits
    10 Maximum acquisition frequency: 500KHz, adjustable
    11 Maximum acquisition points: 20,000, adjustable
    12 Maximum/Minimum Voltage Display:10V/0.0001V
    13 Storage: This machine can store tens of thousands of data on its own hard disk to support expansion
    14 Excitation mode: automatic excitation, manual excitation
    15 Result Data Statistical Processing: Simple Average, Deviation and Elimination of Abnormal Data
    16 Test methods of bolt length and grouting compactness: reflection method and energy attenuation method
    17 Test range of bolt length: reachable20m
    18 Test Range of Anchor Cable Length: Reachable60m
    19 Display: LCD 1280*800
    20 Location information: supporting GPS positioning  


    Remote control pen

    Exciting cone


    Product platform



    Vibrator hammer





    Excitation device





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    Device name
    Steel guardrail column buried depth shock
    Device name
    Foundation pile acoustic transmission detector
    Device name
    Low strain detector for foundation pile
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