Application fields
Detecting the length and ultimate anchoring (pull-out) force of anchor rods (cables) in mines
Evaluating whether mine anchor rods (cables) have reached the designed length, ultimate anchoring (pull-out) force, etc. Quality indicators
Main features
Non-destructive testing, without destroying the anchoring effect and working load of the anchor (cable)
Can detect the length of any anchor (cable), ) without any additional processing
The ultimate anchoring (pull-out) force of any anchor rod (cable) can be tested, and no additional processing is required for the anchor rod (cable)
The test is convenient and direct Display the length, ultimate anchoring force and ultimate pull-out force of the anchor rod (cable)
The test speed is fast, one test can be completed in a few minutes
The test accuracy is high, the length test accuracy can reach the above, and the force test The accuracy can reach the above
The equipment is easy and fast to operate, has good repeatability, and has few human factors
Military-grade components, powered by volt battery, stable performance and high reliability
Data transmission mode transmission
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Product Principle
Based on the scope of elastic wave theory, that is, in the system composed of anchor rod, mortar and surrounding rock, acoustic stress waves are emitted from the top of the anchor rod. It propagates through the rod body and is reflected and transmitted at the interfaces between the anchor rod and the mortar, and between the mortar and the surrounding rock. In the anchor system, when the anchor, mortar and surrounding rock are poured densely, most of the energy is transmitted into the surrounding rock due to the small difference in wave impedance. Only a small part of the energy is reflected back. When the mortar is not poured densely, holes will appear in the mortar, and wave impedance interfaces of varying degrees will appear at the holes, which is manifested as the superposition of emission signals with different strengths in the original signal. According to Based on the location of the mutation point and the strength of the reflected signal, the anchoring quality of the anchor can be determined and analyzed. The length of the anchor rod is detected by using the acoustic stress wave emission time and inputting the normal wave speed parameters of the same type of anchor rod to calculate the rod length.
Technical indicators
Mine intrinsically safe anchor bolt and cable non-destructive testing instrument
Technical indicators
Project
Project
Parameter
Number
Vibration signal frequency response
~
Maximum reading accuracy of vibration signal
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The highest frequency reading accuracy of vibration signal
Consistency error when reading vibration signal
Vibration signal reading frequency consistency error
Transient sampling rate
~, automatic switching
< br/> Converter
Data storage
Electronic hard disk (can store tens of thousands of measured data)
Port
Only for use on the ground)
Display
Color LCD display
Power supply
< br/> Built-in battery
Continuous working time
More than hours
Size
㎜㎜㎜ (length, width and height )
Weight
Operating temperature
℃～+℃
Main configuration table of mine intrinsically safe non-destructive testing instrument for rock bolts and cables
Components
Name
Quantity
Host
Mine anchor bolt and cable non-destructive testing instrument
Accessories
Test Anchor force sensor
Test anchor acceleration sensor
Screw fixed base
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Charger
Charging data cable
Software
Analysis software
Mine intrinsically safe anchor bolt and cable non-destructive testing instrument 18607148818 Dida