CN107575226A - A kind of coal petrography hardness level ONLINE RECOGNITION cutterhead and application method - Google Patents
A kind of coal petrography hardness level ONLINE RECOGNITION cutterhead and application method Download PDFInfo
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- CN107575226A CN107575226A CN201710903555.0A CN201710903555A CN107575226A CN 107575226 A CN107575226 A CN 107575226A CN 201710903555 A CN201710903555 A CN 201710903555A CN 107575226 A CN107575226 A CN 107575226A
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Abstract
A kind of coal petrography hardness level ONLINE RECOGNITION cutterhead and application method, belong to mining machinery technical field.The coal petrography hardness level ONLINE RECOGNITION cutterhead includes roller, is arranged in multiple cutting bit assemblies of outer surface of cylinder and is fixed on the wireless launcher of drum cavity；Each cutting bit assembly includes pick, pick box, pressure sensor, acoustic emission device and piezoelectricity box, pick is arranged in the pick mounting hole of pick box, pressure sensor is also mounted in pick mounting hole and is in close contact with pick end, pick box is additionally provided with the first installation position and the second installation position, piezoelectricity box is arranged in the first installation position, acoustic emission device is arranged in the second installation position, piezoelectricity box electrically connects with pressure sensor and acoustic emission device respectively, the pressure sensor of each cutting bit assembly, acoustic emission device and piezoelectricity box electrically connect with wireless launcher, piezoelectricity box can be pressure sensor, acoustic emission device and wireless launcher power supply.
Description
Technical field
The present invention relates to mining machinery technical field, more particularly to a kind of coal petrography hardness level ONLINE RECOGNITION cutterhead and make
Use method.
Background technology
At present, in the mining machinery course of work by taking the coal-winning machine course of work as an example, coal petrography is commonly present the higher folder of hardness
Cash or rock stratum, cause the uneven of coal and rock hardness, according to coal petrography hardness level classify, typically have extremely hard coal seam, hard coal seam, in
The classifications such as hard coal seam, soft seam, extremely soft seam, at present coal-winning machine can not identify the hardness level of coal petrography in the course of the work, because
, when coal-winning machine works, the cutterhead of coal-winning machine only can carry out cut according to the cut parameter being manually set to coal petrography, therefore for this
Occur that cutterhead carries out the phenomenon of cut using identical cut parameter to coal petrography, thus cutterhead may cut to different
The coal petrography of hardness level, thus easily cause the fracture of pick, alloy head comes off, have a strong impact on project progress and pick coal effect
Rate, and increase the construction cost in mining process.
The content of the invention
In order to solve the problems, such as that prior art is present, on the one hand, the invention provides a kind of coal petrography hardness level to know online
Other cutterhead, the coal petrography hardness level ONLINE RECOGNITION cutterhead include roller, are arranged in multiple pick groups of outer surface of cylinder
Part and the wireless launcher for being fixed on drum cavity；
Each cutting bit assembly includes pick, pick box, pressure sensor, acoustic emission device and piezoelectricity box, pick installation
In the pick mounting hole of pick box, pressure sensor is also mounted in pick mounting hole and is in close contact with pick end, cuts
Toothholder is additionally provided with the first installation position and the second installation position, and piezoelectricity box is arranged in the first installation position, and acoustic emission device is arranged on the
In two installation positions, piezoelectricity box electrically connects with pressure sensor and acoustic emission device respectively, the pressure sensor of each cutting bit assembly,
Acoustic emission device and piezoelectricity box electrically connect with wireless launcher, piezoelectricity box can be pressure sensor, acoustic emission device and
Wireless launcher is powered.
The pick box includes top toothholder and bottom toothholder, and the side wall of top toothholder and the top of bottom toothholder are into certain
Angle is fixed together；For the pick mounting hole site in the toothholder of top, first installation position and second installation position are equal
Positioned at the side of bottom toothholder.
The top toothholder is provided with the pick mounting hole, first end cage hole and the first end cap, pick mounting hole it is straight
Footpath is less than the diameter in first end cage hole, and the end of pick mounting hole connects with first end cage hole；
The cylindrical section of the pick is provided with jump-ring slot, and jump ring is cased with jump-ring slot, and cylindrical section of the pick with jump ring is installed
In the pick mounting hole, the pressure sensor is located at the end of the pick mounting hole, and first end cap passes through spiral shell
Bolt is arranged in first end cage hole.
One side of the bottom toothholder is provided with piezoelectricity box mounting groove, the second end cap bore and the second end cap, piezoelectricity box
Mounting groove and the connection of the second end cap bore, the piezoelectricity box are arranged in piezoelectricity box mounting groove, and the second end cap is installed by bolt
Piezoelectricity box is enclosed in piezoelectricity box mounting groove in the second end cap bore；
The bottom in the first end cage hole is provided with the first string holes, and the first string holes connects with the pick mounting hole, piezoelectricity
The top surface of box mounting groove is provided with the second string holes, and the second string holes connects with first string holes, the first via that the piezoelectricity box is drawn
Positive and negative polarity wire sequentially passes through the second string holes and the first string holes and is connected with the both positive and negative polarity port of the pressure sensor.
Another side of the bottom toothholder is provided with acoustic emission device mounting groove, the 3rd end cap bore and the 3rd end cap,
Acoustic emission device mounting groove and the connection of the 3rd end cap bore, the acoustic emission device are arranged in acoustic emission device mounting groove, the
Three end caps are arranged in the 3rd end cap bore by bolt acoustic emission device is enclosed in acoustic emission device mounting groove；
The side of the piezoelectricity box mounting groove is provided with the 3rd string holes, and the side of acoustic emission device mounting groove is provided with the 4th line
Hole, the 3rd string holes connect with the 4th string holes, the second tunnel positive and negative polarity wire that the piezoelectricity box is drawn sequentially pass through the 3rd string holes and
4th string holes is connected with the both positive and negative polarity port of the acoustic emission device.
The bottom surface of the acoustic emission device mounting groove is provided with the 5th string holes, and the 5th string holes connects with the inner chamber of the roller,
The 3rd tunnel positive and negative polarity wire that the piezoelectricity box is drawn is connected by the 5th string holes with the both positive and negative polarity port of the wireless launcher.
The signal wire that the signal port of the pressure sensor is drawn passes sequentially through first string holes, second string holes
It is connected with the 5th string holes with the wireless launcher；The signal wire that the signal port of the acoustic emission device is drawn leads to successively
The 4th string holes, the 3rd string holes and the 5th string holes is crossed with the wireless launcher to be connected.
The piezoelectricity box includes cell body, and oscillator fixed plate is provided with cell body, is fixed with three oscillators in oscillator fixed plate, and three
Individual oscillator is fixed on the not ipsilateral of oscillator fixed plate, and three oscillators are respectively that X-direction oscillator, Y-direction oscillator and Z-direction are shaken
Son；
Each oscillator includes a piezoelectric vibrator copper sheet, two potsherds and two balancing weights, piezoelectric vibrator copper sheet
One end is fixed in oscillator fixed plate, and other end suspension, two potsherds are separately fixed at two sides of piezoelectric vibrator copper sheet
On, two sides at piezoelectric vibrator copper sheet suspension end are each to fix a balancing weight, and each oscillator is provided with three solder joints, each ceramics
A positive pole solder joint is equipped with piece, piezoelectric vibrator copper sheet is provided with a negative pole solder joint, and total voltage caused by piezoelectricity box is three
The total voltage sum of individual oscillator, the general supply positive and negative polarity wire of piezoelectricity box separate three circuits, and the respectively described first via is positive and negative
Polar conductor, second tunnel positive and negative polarity wire and the 3rd tunnel positive and negative polarity wire.
The side wall of the cell body close to the piezoelectricity box mounting groove top surface is provided with the first line outlet, and the cell body is described in
The side wall of piezoelectricity box mounting groove side is provided with the second line outlet, and the cell body is set close to the side wall of piezoelectricity box installation groove bottom
There is the 3rd line outlet, the first via positive and negative polarity wire is drawn from the first line outlet of the cell body, second road both positive and negative polarity
Wire is drawn from the second line outlet of the cell body, and the 3rd tunnel positive and negative polarity wire is drawn from the 3rd line outlet of the cell body
Go out.
On the other hand, the invention provides a kind of application method of the coal petrography hardness level ONLINE RECOGNITION cutterhead, institute
The method of stating includes：The coal petrography hardness level ONLINE RECOGNITION cutterhead is arranged on coal-winning machine, opens coal-winning machine, coal-winning machine exists
During coal mining, the cutting bit assembly coal petrography cutting simultaneously produces vibration, the piezoelectricity box generation electric energy vibrated, the pressure
Electric box is that the pressure sensor, the acoustic emission device and wireless launcher power supply, the pressure sensor detect institute
The signal of detection is simultaneously sent to wireless launcher by instantaneous pressure when stating pick coal-rock-impacting, and the acoustic emission device detects institute
State the vibration of pick and the pick box and the signal of detection is sent to wireless launcher, wireless launcher will receive
Signal is sent to remote computer, the instantaneous pressure of corresponding pick when the coal petrography of cut different hardness grade is prestored in remote computer
Power scope, the amplitude range of pick and pick box, the scope of electric current and voltage swing caused by piezoelectricity box, remote computer according to
The pressure signal that receives, vibration signal, electric current caused by piezoelectricity box and voltage signal judge the hardness level of coal petrography.
Coal petrography hardness level ONLINE RECOGNITION cutterhead in the present invention Real time identification can go out to be cut in cutting course
The hardness level residing for coal petrography cut, therefore, the cut of coal-winning machine can be joined according to the coal petrography hardness level detected in real time
Number is adjusted in time, coal-winning machine is used rational cut parameter in the coal petrography of cut different hardness, is avoided due to can not
Learn by the hardness level of coal petrography cutting, and the pick for causing to occur in cutting course is easily broken, alloy head is often fallen off
Phenomenon, project progress is accelerated, improve pick coal efficiency, reduce the construction cost in mining process.
Brief description of the drawings
Fig. 1 is the structural representation of the coal petrography hardness level ONLINE RECOGNITION cutterhead of the present invention；
Fig. 2 is the pressure sensor of the present invention and the scheme of installation of piezoelectricity box；
Fig. 3 is the scheme of installation of the acoustic emission device of the present invention；
Fig. 4 is the string holes layout drawing one of the present invention；
Fig. 5 is the string holes layout drawing two of the present invention；
Fig. 6 is the pressure sensor structure figure of the present invention；
Fig. 7 is the acoustic emission device structure chart of the present invention；
Fig. 8 is the structural representation of the piezoelectricity box of the present invention；
Fig. 9 is the oscillator structure schematic diagram of the piezoelectricity box of the present invention；
Figure 10 is the scheme of installation of the wireless launcher of the present invention；
Figure 11 is the coal mining schematic diagram of the present invention；
Figure 12 is the operation principle flow chart of the present invention.
Wherein,
1 roller, 2 cutting bit assemblies, 3 wireless launchers, 4 picks, 5 pick boxs, 6 pressure sensors, 7 acoustic emission devices, 8 pressures
Electric box, 9 pick mounting holes, 10 top toothholders, 11 bottom toothholders, 12 first end cage holes, 13 first end caps, 14 jump-ring slots, 15
Jump ring, 16 piezoelectricity box mounting grooves, 17 second end cap bore, 18 second end caps, 19 first string holes, 20 second string holes, 21 pressure pass
The positive pole port of sensor, the negative pole port of 22 pressure sensors, 23 acoustic emission device mounting grooves, 24 the 3rd end cap bore, 25
Three end caps, 26 the 3rd string holes, 27 the 4th string holes, the positive pole port of 28 acoustic emission devices, the negative pole port of 29 acoustic emission devices, 30
5th string holes, the positive pole port of 31 wireless launchers, the negative pole port of 32 wireless launchers, the signal end of 33 pressure sensors
Mouthful, the signal port of 34 wireless launchers, the signal port of 35 acoustic emission devices, 36 cell bodies, 37 oscillator fixed plates, 38X directions
Oscillator, 39Y directions oscillator, 40Z directions oscillator, 41 piezoelectric vibrator copper sheets, 42 potsherds, 43 balancing weights, 44 positive pole solder joints, 45 is negative
Pole solder joint, 46 first line outlets, 47 second line outlets, 48 the 3rd line outlets, 49 coal-winning machines, 50 ribs.
Embodiment
In order to solve the problems, such as that prior art is present, as shown in Figure 1 to 11, the invention provides a kind of coal petrography hardness etc.
Level ONLINE RECOGNITION cutterhead, the coal petrography hardness level ONLINE RECOGNITION cutterhead include roller 1, are arranged in the more of the outer surface of roller 1
Individual cutting bit assembly 2 and the wireless launcher 3 for being fixed on the inner chamber of roller 1；
Each cutting bit assembly 2 includes pick 4, pick box 5, pressure sensor 6, acoustic emission device 7 and piezoelectricity box 8, cuts
Tooth 4 is arranged in the pick mounting hole 9 of pick box 5, pressure sensor 6 be also mounted in pick mounting hole 9 and with the end of pick 4
It is in close contact, pick box 5 is additionally provided with the first installation position and the second installation position, and piezoelectricity box 8 is arranged in the first installation position, sound emission
Device 7 is arranged in the second installation position, and piezoelectricity box 8 electrically connects with pressure sensor 6 and acoustic emission device 7 respectively, each pick
Pressure sensor 6, acoustic emission device 7 and the piezoelectricity box 8 of component 2 electrically connect with wireless launcher 3, and piezoelectricity box 8 can be
Pressure sensor 6, acoustic emission device 7 and wireless launcher 3 are powered.
In the present invention, pick box 5 includes top toothholder 10 and bottom toothholder 11, the side wall and lower teeth of top toothholder 10
The top of seat 11 is angled to be fixed together；Pick mounting hole 9 is located in top toothholder 10, the first installation position and the second peace
Dress position is respectively positioned on the side of bottom toothholder 11.
Specifically, top toothholder 10 is provided with pick mounting hole 9, first end cage hole 12 and the first end cap 13, pick installation
The diameter in hole 9 is less than the diameter in first end cage hole 12, and the end of pick mounting hole 9 connects with first end cage hole 12；
The cylindrical section of pick 4 is provided with jump-ring slot 14, and jump ring 15 is cased with jump-ring slot 14, and pick 4 carries the cylinder of jump ring 15
Section is arranged in pick mounting hole 9, and jump ring 15 can be such that pick 4 is more stably mounted in pick mounting hole 9, pressure sensor
6 are located at the end of pick mounting hole 9, and for detecting instantaneous pressure during 4 coal petrography cutting of pick, the first end cap 13 is pacified by bolt
Pressure sensor 6 is enclosed in pick mounting hole 9 in the first end cage hole 12.
In the present invention, a side of bottom toothholder 11 is provided with piezoelectricity box mounting groove 16, the second end cap bore 17 and the
Two end caps 18, piezoelectricity box mounting groove 16, the second end cap bore 17 and the second end cap 18 form first installation position, piezoelectricity box peace
Tankage 16 is connected with the second end cap bore 17, and piezoelectricity box 8 is arranged in piezoelectricity box mounting groove 16, and the second end cap 18 is pacified by bolt
Piezoelectricity box 8 is enclosed in piezoelectricity box mounting groove 16 in the second end cap bore 17；
The bottom in first end cage hole 12 is provided with the first string holes 19, and the first string holes 19 connects with pick mounting hole 9, piezoelectricity box
The top surface of mounting groove 16 is provided with the second string holes 20, and the second string holes 20 connects with the first string holes 19, and the first via that piezoelectricity box 8 is drawn is just
Cathode conductor sequentially passes through the positive pole port 21 of the second string holes 20 and the first string holes 19 and pressure sensor 6, the phase of negative pole port 22
Even, powered for pressure sensor 6.
Further, another side of bottom toothholder 11 is provided with acoustic emission device mounting groove 23, the 3rd end cap bore 24
With the 3rd end cap 25, acoustic emission device mounting groove 23, the 3rd end cap bore 24 and the 3rd end cap 25 form second installation position,
Acoustic emission device mounting groove 23 is connected with the 3rd end cap bore 24, and acoustic emission device 7 is arranged in acoustic emission device mounting groove 23,
When acoustic emission device 7 is used to detect cutterhead coal petrography cutting, shaken caused by pick 4 and pick box 5, and can be in a manner of amplitude
Amplitude curve is shown from computer display screen, the 3rd end cap 25 is arranged in the 3rd end cap bore 24 by bolt sound to be sent out
Injection device 7 is enclosed in acoustic emission device mounting groove 23；
The side of piezoelectricity box mounting groove 16 is provided with the 3rd string holes 26, and the side of acoustic emission device mounting groove 23 is provided with the 4th line
Hole 27, the 3rd string holes 26 connect with the 4th string holes 27, and the second tunnel positive and negative polarity wire that piezoelectricity box 8 is drawn sequentially passes through the 3rd string holes
26 and the 4th string holes 27 be connected with positive pole port 28, the negative pole port 29 of acoustic emission device 7, power for acoustic emission device 7.
Further, the bottom surface of acoustic emission device mounting groove 23 is provided with the 5th string holes 30, and the 5th string holes 30 is interior with roller 1
Chamber connects, the 3rd tunnel positive and negative polarity wire that piezoelectricity box 8 is drawn by the positive pole port 31 of the 5th string holes 30 and wireless launcher 3,
Negative pole port 32 is connected, and is powered for wireless launcher 3, while be sent to wireless launcher 3 using electric wire number as variable signal.
In the present invention, the signal wire that the signal port 33 of pressure sensor 6 is drawn passes sequentially through the first string holes 19, second
The string holes 30 of string holes 20 and the 5th is connected with the signal port 34 of wireless launcher 3, and the pressure signal detected is sent to wirelessly
Transmitter 3；The signal wire that the signal port 35 of acoustic emission device 7 is drawn passes sequentially through the 4th string holes 27, the 3rd string holes 26 and the
Five string holes 30 are connected with the signal port 34 of wireless launcher 3, and the vibration signal detected is sent into wireless launcher 3.
In the present invention, piezoelectricity box 8 includes cell body 36, is provided with oscillator fixed plate 37 in cell body 36, in oscillator fixed plate 37
Three oscillators are fixed with, three oscillators are fixed on the not ipsilateral of oscillator fixed plate 37, and three oscillators are respectively X-direction oscillator
38th, Y-direction oscillator 39 and Z-direction oscillator 40；
Each oscillator includes 41, two potsherds 42 of a piezoelectric vibrator copper sheet and two balancing weights 43, piezoelectric vibrator
One end of copper sheet 41 is fixed in oscillator fixed plate 37, and other end suspension, two potsherds 42 are separately fixed at piezoelectric vibrator copper
On two sides of piece 41, two sides at the suspension of piezoelectric vibrator copper sheet 41 end are each to fix a balancing weight 43, and each oscillator is set
There are three solder joints, a positive pole solder joint 44 is equipped with each potsherd 42, piezoelectric vibrator copper sheet 41 is provided with a negative pole and welded
Point 45, total voltage caused by piezoelectricity box 8 are the total voltage sum of three oscillators, and during coal mining, pick 4 contacts with coal petrography wall
Violent vibrations are produced, because piezoelectricity box 8 is provided with X-direction oscillator 38, Y-direction oscillator 39 and Z-direction oscillator 40, therefore three
Oscillator can experience the vibration of all directions, consolidate because one end of the piezoelectric vibrator copper sheet 41 of each oscillator is integrally fixed at oscillator
On fixed board 37, the other end is hanging, therefore when vibrated, in the presence of balancing weight 43, three oscillators can be by flat
State is changed into case of bending, and can make upper and lower, left and right, the inside and outside amplitude of oscillation by oscillation center of straightened condition, when piezoelectric vibrator copper
When piece 41 bends, the potsherd 42 on 41 two sides of piezoelectric vibrator copper sheet can bend so that both positive and negative polarity
Between produce voltage, because each oscillator has two positive pole solder joints 44 and a negative pole solder joint 45, between each positive pole and negative pole
A voltage can be produced, so total voltage caused by each oscillator is caused by two potsherds 42 and piezoelectric vibrator copper sheet 41
Two voltage sums, total voltage is drawn by respective lead respectively caused by each oscillator vibration, collects to obtain the total of piezoelectricity box 8
Supply voltage, the general supply positive and negative polarity wire of piezoelectricity box 8 separate three circuits, and respectively first via positive and negative polarity wire passes for pressure
Sensor 6 is powered, the second tunnel positive and negative polarity wire is that acoustic emission device 7 is powered and the 3rd tunnel positive and negative polarity wire is that wireless launcher 3 supplies
Electricity is sent to wireless launcher 3 using electric signal as variable signal simultaneously.
In the present invention, the side wall of cell body 36 close to the top surface of piezoelectricity box mounting groove 16 is provided with the first line outlet 46, cell body 36
Side wall close to the side of piezoelectricity box mounting groove 16 is provided with the second line outlet 47, side of the cell body 36 close to the bottom surface of piezoelectricity box mounting groove 16
Wall is provided with the 3rd line outlet 48, and first via positive and negative polarity wire is drawn from the first line outlet 46 of cell body 36, and sequentially passes through second
The string holes 19 of string holes 20 and first is connected with the both positive and negative polarity port of pressure sensor 6；Second tunnel positive and negative polarity wire from cell body 36
Two line outlets 47 are drawn, and sequentially pass through the 3rd string holes 26 and the 4th string holes 27 is connected with the both positive and negative polarity port of acoustic emission device 7；
3rd tunnel positive and negative polarity wire is drawn from the 3rd line outlet 48 of cell body 36, and by the 5th string holes 30 and wireless launcher 3 just
Negative pole port is connected.
The application method of coal petrography hardness level ONLINE RECOGNITION cutterhead in invention is as follows：As is illustrated by figs. 11 and 12, will
Coal petrography hardness level ONLINE RECOGNITION cutterhead is arranged on coal-winning machine 49, opens coal-winning machine 49, coal-winning machine 49 is in coal mining cut coal
During wall 50, the coal petrography cutting of cutting bit assembly 2 simultaneously produces vibration, the generation electric energy vibrated of piezoelectricity box 8, and piezoelectricity box 8 is pressure
Force snesor 6, acoustic emission device 7 and wireless launcher 3 are powered, and pressure sensor 6 detects instantaneous pressure during 4 coal-rock-impacting of pick
The signal of detection is simultaneously sent to wireless launcher 3 by power, and acoustic emission device 7 detects the vibration of pick 4 and pick box 5 and will inspection
The signal of survey is sent to wireless launcher 3, and wireless launcher 3 is by the signal of the multiple cutting bit assemblies 2 received by wirelessly connecing
Receive device and be sent to remote computer in real time, corresponding parameter model during the coal petrography of cut different hardness grade is prestored in remote computer
Enclose, i.e. the instantaneous pressure scope of pick 4, the amplitude range of pick 4 and pick box 5, size of current and electricity caused by piezoelectricity box 8
The scope of size is pressed, remote computer electric current and voltage according to caused by the pressure signal, vibration signal, piezoelectricity box 8 that receive become
The hardness level for judging coal petrography is analyzed in the parameter area changed signal and prestored, during use, due to
Cutterhead rotates, therefore has part cutting bit assembly 2 and be in non-cut state, therefore, in the present invention, as long as
Detect and all transmit signal containing more than 85% cutting bit assembly 2, you can judge that cutterhead is in cut state, and according to reception
To each signal and remote computer signal parameter scope that prestores judge by the hardness level of coal petrography cutting, wherein, far
The instantaneous pressure scope of pick 4 that journey computer prestores, the amplitude range of pick 4 and pick box 5, electric current caused by piezoelectricity box 8
Size and the scope of voltage swing can carry out cut experiment beforehand through the coal petrography to known coal petrography hardness level and draw.
Coal petrography hardness level ONLINE RECOGNITION cutterhead in the present invention can detect to be cut in real time in cutting course
The hardness level residing for coal petrography cut, therefore, the cut of coal-winning machine can be joined according to the coal petrography hardness level detected in real time
Number is adjusted in time, coal-winning machine is used rational cut parameter in the coal petrography of cut different hardness, is avoided due to can not
Learn by the hardness level of coal petrography cutting, and the pick for causing to occur in cutting course is easily broken, alloy head is often fallen off
Phenomenon, project progress is accelerated, improve pick coal efficiency, reduce the construction cost in mining process.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (10)
- A kind of 1. coal petrography hardness level ONLINE RECOGNITION cutterhead, it is characterised in that the coal petrography hardness level ONLINE RECOGNITION cut Head includes roller, is arranged in multiple cutting bit assemblies of outer surface of cylinder and is fixed on the wireless launcher of drum cavity；Each cutting bit assembly includes pick, pick box, pressure sensor, acoustic emission device and piezoelectricity box, and pick, which is arranged on, to be cut In the pick mounting hole of toothholder, pressure sensor is also mounted in pick mounting hole and is in close contact with pick end, pick box The first installation position and the second installation position are additionally provided with, piezoelectricity box is arranged in the first installation position, and acoustic emission device is arranged on the second peace Fill in position, piezoelectricity box electrically connects with pressure sensor and acoustic emission device respectively, pressure sensor, the sound hair of each cutting bit assembly Injection device and piezoelectricity box electrically connect with wireless launcher, and piezoelectricity box can be pressure sensor, acoustic emission device and wireless Transmitter is powered.
- 2. coal petrography hardness level ONLINE RECOGNITION cutterhead according to claim 1, it is characterised in that the pick box includes Top toothholder and bottom toothholder, the side wall of top toothholder with the top of bottom toothholder is angled is fixed together；Described section For tooth mounting hole site in the toothholder of top, first installation position and second installation position are respectively positioned on the side of bottom toothholder.
- 3. coal petrography hardness level ONLINE RECOGNITION cutterhead according to claim 2, it is characterised in that the top toothholder is set There are the pick mounting hole, first end cage hole and the first end cap, the diameter of pick mounting hole is less than the straight of first end cage hole Footpath, the end of pick mounting hole connect with first end cage hole；The cylindrical section of the pick is provided with jump-ring slot, and jump ring is cased with jump-ring slot, and cylindrical section of the pick with jump ring is arranged on institute State in pick mounting hole, the pressure sensor is located at the end of the pick mounting hole, and first end cap is pacified by bolt In first end cage hole.
- 4. coal petrography hardness level ONLINE RECOGNITION cutterhead according to claim 3, it is characterised in that the bottom toothholder One side is provided with piezoelectricity box mounting groove, the second end cap bore and the second end cap, and piezoelectricity box mounting groove and the second end cap bore connect Logical, the piezoelectricity box is arranged in piezoelectricity box mounting groove, and the second end cap is arranged in the second end cap bore by bolt to incite somebody to action Piezoelectricity box is enclosed in piezoelectricity box mounting groove；The bottom in the first end cage hole is provided with the first string holes, and the first string holes connects with the pick mounting hole, piezoelectricity box peace The top surface of tankage is provided with the second string holes, and the second string holes connects with first string holes, and the first via that the piezoelectricity box is drawn is positive and negative Polar conductor sequentially passes through the second string holes and the first string holes and is connected with the both positive and negative polarity port of the pressure sensor.
- 5. coal petrography hardness level ONLINE RECOGNITION cutterhead according to claim 4, it is characterised in that the bottom toothholder Another side is provided with acoustic emission device mounting groove, the 3rd end cap bore and the 3rd end cap, acoustic emission device mounting groove and the 3rd End cap bore is connected, and the acoustic emission device is arranged in acoustic emission device mounting groove, and the 3rd end cap is arranged on the by bolt Acoustic emission device is enclosed in acoustic emission device mounting groove in three end cap bore；The side of the piezoelectricity box mounting groove is provided with the 3rd string holes, and the side of acoustic emission device mounting groove is provided with the 4th string holes, the Three string holes connect with the 4th string holes, and the second tunnel positive and negative polarity wire that the piezoelectricity box is drawn sequentially passes through the 3rd string holes and the 4th line Hole is connected with the both positive and negative polarity port of the acoustic emission device.
- 6. coal petrography hardness level ONLINE RECOGNITION cutterhead according to claim 5, it is characterised in that the acoustic emission device The bottom surface of mounting groove is provided with the 5th string holes, and the 5th string holes connects with the inner chamber of the roller, the 3rd tunnel that the piezoelectricity box is drawn Positive and negative polarity wire is connected by the 5th string holes with the both positive and negative polarity port of the wireless launcher.
- 7. coal petrography hardness level ONLINE RECOGNITION cutterhead according to claim 6, it is characterised in that the pressure sensor Signal port draw signal wire pass sequentially through first string holes, second string holes and the 5th string holes and the nothing Line transmitter is connected；The signal wire that the signal port of the acoustic emission device is drawn passes sequentially through the 4th string holes, described the Three string holes and the 5th string holes are connected with the wireless launcher.
- 8. coal petrography hardness level ONLINE RECOGNITION cutterhead according to claim 6, it is characterised in that the piezoelectricity box includes Cell body, cell body is interior to be provided with oscillator fixed plate, three oscillators is fixed with oscillator fixed plate, three oscillators are fixed on oscillator fixed plate Not ipsilateral, three oscillators are respectively X-direction oscillator, Y-direction oscillator and Z-direction oscillator；Each oscillator includes a piezoelectric vibrator copper sheet, two potsherds and two balancing weights, one end of piezoelectric vibrator copper sheet It is fixed in oscillator fixed plate, other end suspension, two potsherds are separately fixed on two sides of piezoelectric vibrator copper sheet, are pressed Two sides at electric tachometer indicator copper sheet suspension end are each to fix a balancing weight, and each oscillator is provided with three solder joints, on each potsherd A positive pole solder joint is equipped with, piezoelectric vibrator copper sheet is provided with a negative pole solder joint, and total voltage caused by piezoelectricity box is three and shaken The total voltage sum of son, the general supply positive and negative polarity wire of piezoelectricity box separate three circuits, and respectively described first via both positive and negative polarity is led Line, second tunnel positive and negative polarity wire and the 3rd tunnel positive and negative polarity wire.
- 9. coal petrography hardness level ONLINE RECOGNITION cutterhead according to claim 8, it is characterised in that the cell body is close to institute The side wall for stating piezoelectricity box mounting groove top surface is provided with the first line outlet, side wall of the cell body close to the piezoelectricity box mounting groove side Provided with the second line outlet, the cell body is provided with the 3rd line outlet close to the side wall of piezoelectricity box installation groove bottom, and described first Road positive and negative polarity wire is drawn from the first line outlet of the cell body, and second tunnel positive and negative polarity wire goes out from the second of the cell body Line mouth is drawn, and the 3rd tunnel positive and negative polarity wire is drawn from the 3rd line outlet of the cell body.
- 10. the application method of the coal petrography hardness level ONLINE RECOGNITION cutterhead described in claim 1, it is characterised in that the side Method includes：The coal petrography hardness level ONLINE RECOGNITION cutterhead is arranged on coal-winning machine, opens coal-winning machine, coal-winning machine is being mined During, the cutting bit assembly coal petrography cutting simultaneously produces vibration, the piezoelectricity box generation electric energy vibrated, the piezoelectricity box Powered for the pressure sensor, the acoustic emission device and the wireless launcher, the pressure sensor detection is described to cut The signal of detection is simultaneously sent to wireless launcher by instantaneous pressure during tooth coal-rock-impacting, and the acoustic emission device detection is described to cut The signal of detection is simultaneously sent to wireless launcher, the signal that wireless launcher will receive by the vibration of tooth and the pick box Remote computer is sent to, the instantaneous pressure model of corresponding pick when the coal petrography of cut different hardness grade is prestored in remote computer Enclose, the scope of electric current and voltage swing caused by the amplitude range of pick and pick box, piezoelectricity box, remote computer is according to reception The pressure signal that arrives, vibration signal, electric current caused by piezoelectricity box and voltage signal judge the hardness level of coal petrography.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900569A (en) * | 2019-03-14 | 2019-06-18 | 岭南师范学院 | A kind of rock sugar rigidity detection device |
| GB2582395A (en) * | 2019-03-21 | 2020-09-23 | Element Six Uk Ltd | Cutting assembly |
| CN113435497A (en) * | 2021-06-24 | 2021-09-24 | 桂林电子科技大学 | Coal-rock interface multi-sensing information fusion preference identification method based on hardness characteristics |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU488011A1 (en) * | 1972-12-02 | 1975-10-15 | Донецкий научно-исследовательский и проектно-конструкторский институт по автоматизации горных машин | Device for controlling the position of the executive body of the mining machine in the formation profile |
| CN101922290A (en) * | 2010-08-12 | 2010-12-22 | 浙江大学 | Coal-rock interface identification method, identification system and identification probe |
| CN102003183A (en) * | 2010-11-01 | 2011-04-06 | 浙江洪裕重工机械有限公司 | Intelligent type heading machine |
| CN103899308A (en) * | 2012-12-25 | 2014-07-02 | 刘素华 | Method for detecting and controlling and protecting mining machine, detection of method and operation of controlling and protecting impacting mining machine by detection results |
| CN104806238A (en) * | 2015-04-29 | 2015-07-29 | 辽宁工程技术大学 | On-line testing system of mechanical properties of shearer pick |
-
2017
- 2017-09-29 CN CN201710903555.0A patent/CN107575226B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU488011A1 (en) * | 1972-12-02 | 1975-10-15 | Донецкий научно-исследовательский и проектно-конструкторский институт по автоматизации горных машин | Device for controlling the position of the executive body of the mining machine in the formation profile |
| CN101922290A (en) * | 2010-08-12 | 2010-12-22 | 浙江大学 | Coal-rock interface identification method, identification system and identification probe |
| CN102003183A (en) * | 2010-11-01 | 2011-04-06 | 浙江洪裕重工机械有限公司 | Intelligent type heading machine |
| CN103899308A (en) * | 2012-12-25 | 2014-07-02 | 刘素华 | Method for detecting and controlling and protecting mining machine, detection of method and operation of controlling and protecting impacting mining machine by detection results |
| CN104806238A (en) * | 2015-04-29 | 2015-07-29 | 辽宁工程技术大学 | On-line testing system of mechanical properties of shearer pick |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900569A (en) * | 2019-03-14 | 2019-06-18 | 岭南师范学院 | A kind of rock sugar rigidity detection device |
| CN109900569B (en) * | 2019-03-14 | 2024-01-30 | 岭南师范学院 | Crystal sugar hardness detection device |
| GB2582395A (en) * | 2019-03-21 | 2020-09-23 | Element Six Uk Ltd | Cutting assembly |
| CN113435497A (en) * | 2021-06-24 | 2021-09-24 | 桂林电子科技大学 | Coal-rock interface multi-sensing information fusion preference identification method based on hardness characteristics |
| CN113435497B (en) * | 2021-06-24 | 2022-07-01 | 桂林电子科技大学 | Coal-rock interface multi-sensing information fusion preference identification method based on hardness characteristics |
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