CN107436362A - A kind of coal sample detection line disintegrating machine Rotating speed measring method, apparatus and disintegrating machine - Google Patents
A kind of coal sample detection line disintegrating machine Rotating speed measring method, apparatus and disintegrating machine Download PDFInfo
- Publication number
- CN107436362A CN107436362A CN201710741705.2A CN201710741705A CN107436362A CN 107436362 A CN107436362 A CN 107436362A CN 201710741705 A CN201710741705 A CN 201710741705A CN 107436362 A CN107436362 A CN 107436362A
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- China
- Prior art keywords
- disintegrating machine
- sensor
- rotating speed
- coal sample
- induction point
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a kind of coal sample detection line disintegrating machine Rotating speed measring method, apparatus and disintegrating machine, method to be：Induction point is set on the driven pulley of disintegrating machine, sensor is set near the turning circumference of the induction point, the sensor is used in the induction point by producing pulse signal during the sensor, and the rotating speed of the pulse signal calculating disintegrating machine is gathered by calculation process module.The present invention has the advantages that cost is low, accuracy is high, easy for installation, easy to implement.
Description
Technical field
The present invention relates to coal sample detection line control field, more particularly to a kind of coal sample detection line disintegrating machine Rotating speed measring side
Method, device and disintegrating machine.
Background technology
In coal sample detection, national standard has strict standard for the size of coal sample particle.In coal sample detection line
In engineering practice, coal sample is crushed by disintegrating machine, and disintegrating machine has to the crushing effect of coal sample and the rotating speed of disintegrating machine
Vital contact, the rotating speed of disintegrating machine is too fast, crushed particles can be caused too thin, the rotating speed of disintegrating machine is too slow, can cause brokenly
Broken particle is too thick, can not all meet the national standard of coal sample detection.And in the prior art, the inspection for coal sample reduction machine rotating speed
Survey, the rotating speed of disintegrating machine is mainly determined by converting by the rotating speed of motor, but pass through long-term engineering practice, hair
Now convert to obtain the rotating speed of disintegrating machine by the rotating speed of motor, the problem of result accuracy is not high be present, so as to influence
The crushing effect of the coal sample of disintegrating machine, the sieving rate of coal sample particle is further influenceed, eventually affects the testing result to coal sample.
The content of the invention
The technical problem to be solved in the present invention is that：For technical problem existing for prior art, the present invention provides one
The coal sample detection line disintegrating machine Rotating speed measring method that kind cost is low, accuracy is high, easy for installation, easy to implement.
In order to solve the above technical problems, technical scheme proposed by the present invention is：A kind of coal sample detection line disintegrating machine rotating speed inspection
Survey method, it is characterised in that：Induction point is set on the driven pulley of disintegrating machine, set near the turning circumference of the induction point
Sensor, the sensor are used to pass through calculation process mould by producing pulse signal during the sensor in the induction point
Block gathers the rotating speed that the pulse signal calculates the disintegrating machine.
Further, the induction point includes the induction point for producing distance change, optical change or heat treatment.
Further, the calculation process module calculates the disintegrating machine by measured frequency method by the pulse signal
Rotating speed.
Further, the calculation process module is Siemens's high speed counting module, and the counting module uses frequency meter
Several classes of types, single-phase mode of operation.
Further, the frequency counting cycle of the calculation process module is 1 second.
Further, Siemens's high speed counting module is Siemens's S7-1200 modules.
A kind of coal sample detection line crushes tachometer, including induction point, sensor and calculation process module；It is described
Induction point is arranged on the driven pulley of disintegrating machine；The sensor is arranged near the turning circumference of the induction point, for
The induction point during sensor by producing pulse signal；The calculation process module is connected with the sensor, is used for
Gather the rotating speed that the pulse signal calculates the disintegrating machine.
Further, the induction point includes the induction point for producing distance change, optical change or heat treatment.
Further, the sensor includes distance measuring sensor, optical sensor or magnetic induction sensor.
Further, in addition to support frame, support frame as described above is fixedly mounted in the frame of the driven pulley, on support frame
Through hole is provided with, the sensor outer surface is provided with screw thread, and the sensor passes through the through hole, by the two of support frame
Respectively the sensor is fixed on support frame as described above by one nut of installation for side.
Further, the calculation process module is Siemens's high speed counting module, and the counting module uses frequency meter
Several classes of types, single-phase mode of operation.
A kind of coal sample detection line disintegrating machine, including disintegrating machine body and the as above speed detector described in any one.
Compared with prior art, the advantage of the invention is that：
1st, the precision of present invention detection disintegrating machine rotating speed is higher, and representative and real-time is more preferable, so as to further improve coal
The broken precision of sample, the uniformity and uniformity of broken rear coal sample particle are further improved, so as to further improve to coal
Sample analyzes the precision of testing result.
2nd, the obtained rotating speed of present invention detection is the actual revolution of disintegrating machine, in the absence of in conventional method because of belt slippage
Cause the rotating speed of measurement error to be present etc. factor, therefore, the running status of disintegrating machine can be really reflected by the rotating speed, such as
Overload, stuck etc., so as to instruct operating personnel to be adjusted the pan feeding speed of disintegrating machine.
3rd, the present invention is simple in construction, easy for installation, it is convenient to carries out transformation and upgrade to existing equipment.
Brief description of the drawings
Fig. 1 is specific embodiment of the invention structural schematic block diagram.
Fig. 2 is specific embodiment of the invention induction point and sensor mounting location partial schematic diagram.
Fig. 3 is specific embodiment of the invention sensor fixing structure schematic diagram.
Picture specification：1st, support frame；2nd, sensor；3rd, nut.
Embodiment
Below in conjunction with Figure of description and specific preferred embodiment, the invention will be further described, but not therefore and
Limit the scope of the invention.
The coal sample detection line disintegrating machine Rotating speed measring method of the present embodiment, induction point is set on the driven pulley of disintegrating machine,
Sensor is set near the turning circumference of induction point, sensor is used to produce pulse signal when induction point passes through sensor,
Pass through the rotating speed of calculation process module acquisition pulse signal of change disintegrating machine.Calculation process module passes through pulse by measured frequency method
The rotating speed of signal of change disintegrating machine.As shown in figure 1, induction point will all produce an arteries and veins by sensing station, sensor every time
Signal is rushed, is counted by calculation process module pulse signals, disintegrating machine is determined by the frequency for calculating pulse signal
Rotating speed.Be not in that conventional method is electric by driving because pulse signal is produced by the rotation of the driven pulley of disintegrating machine
When the rotating speed of machine is to determine the rotating speed of disintegrating machine, disintegrating machine tachometric survey is inaccurate caused by the reasons such as belt slippage asks
Topic, improve the precision of disintegrating machine tachometric survey.
In the present embodiment, induction point includes the induction point for producing distance change, optical change or heat treatment.Such as Fig. 2
Shown, B points are the induction point for the generation distance change being arranged on disintegrating machine driven pulley in figure, and A points are on sensor support frame
Sensor mounting location point, sensor is distance measuring sensor, when B points rotate pass through distance measuring sensor when, sensor detects
Distance can change, so as to produce a pulse.Certainly, induction point B can also be optical sensor point, as active is luminous
Lamp, or the induction point with compared with high reflecting rate；Sensor uses optical sensor, passes through sensor by detection sensor point
When intensity of illumination change and produce pulse.Certainly, induction point can also be Magnetic Induction point, and corresponding sensor uses magnetic strength
Inductive sensing device, changes of magnetic field when passing through sensor by detecting Magnetic Induction point produce pulse signal.
In the present embodiment, high-speed rotation state is handled when being worked due to disintegrating machine, in order to accurately obtain sensor production
Raw pulse signal, and pulse signals are handled in time, calculate the rotating speed of disintegrating machine, the processing to calculation process module
Ability also has higher requirement, and therefore, in the present embodiment, calculation process module is Siemens's high speed counting module, counts
Module uses frequency counting type, single-phase mode of operation.Preferably, Siemens's high speed counting module is Siemens's S7-1200 moulds
Block.The frequency counting cycle is 1 second.Meanwhile the disintegrating machine of high-speed rotation to the responding ability of sensor it is also proposed higher will
Ask, rotating speed is faster, requires higher to the responding ability of sensor, the cost of sensor is also higher.The present embodiment is ensureing to broken
On the premise of broken machine tachometric survey required precision, in order to reduce the cost of sensor, on the driven pulley of disintegrating machine, one is only set
Individual induction point.
In the specific implementation of the present embodiment, the enabling signal for defining disintegrating machine is Q0.0, when disintegrating machine startup optimization,
Q0.0=1, stop then Q0.0=0；As Q0.0=1, Siemens's high speed counting module startup program is counted, and calculates production per second
The number of raw pulse signal, the rotating speed of disintegrating machine driven pulley is determined, as Q0.0=0, the end that quits a program counts.
As depicted in figs. 1 and 2, the coal sample detection line of the present embodiment crushes tachometer, including induction point, sensing
Device and calculation process module；Induction point is arranged on the driven pulley of disintegrating machine；The turning circumference that sensor is arranged on induction point is attached
Closely, for producing pulse signal when induction point passes through sensor；Calculation process module is connected with sensor, for acquisition pulse
The rotating speed of signal of change disintegrating machine.Induction point will all be produced a pulse signal, be passed through by sensing station, sensor every time
Calculation process module pulse signals are counted, and the frequency by calculating pulse signal determines the rotating speed of disintegrating machine.Due to arteries and veins
Rushing signal is produced by the rotation of the driven pulley of disintegrating machine, is not in conventional method by the rotating speed of motor come really
When determining the rotating speed of disintegrating machine, because of the disintegrating machine tachometric survey inaccuracy caused by the reasons such as belt slippage the problem of, improve broken
The precision of machine tachometric survey.
In the present embodiment, induction point includes the induction point for producing distance change, optical change or heat treatment.Such as Fig. 2
Shown, B points are the induction point for the generation distance change being arranged on disintegrating machine driven pulley in figure, and A points are on sensor support frame
Sensor mounting location point, sensor is distance measuring sensor, when B points rotate pass through distance measuring sensor when, sensor detects
Distance can change, so as to produce a pulse.Certainly, induction point B can also be optical sensor point, as active is luminous
Lamp, or the induction point with compared with high reflecting rate；Sensor uses optical sensor, passes through sensor by detection sensor point
When intensity of illumination change and produce pulse.Certainly, induction point can also be Magnetic Induction point, and corresponding sensor uses magnetic strength
Inductive sensing device, changes of magnetic field when passing through sensor by detecting Magnetic Induction point produce pulse signal.
In the present embodiment, high-speed rotation state is handled when being worked due to disintegrating machine, in order to accurately obtain sensor production
Raw pulse signal, and pulse signals are handled in time, calculate the rotating speed of disintegrating machine, the processing to calculation process module
Ability also has higher requirement, and therefore, in the present embodiment, calculation process module is Siemens's high speed counting module, counts
Module uses frequency counting type, single-phase mode of operation.Preferably, Siemens's high speed counting module is Siemens's S7-1200 moulds
Block.The frequency counting cycle is 1 second.Meanwhile the disintegrating machine of high-speed rotation to the responding ability of sensor it is also proposed higher will
Ask, rotating speed is faster, requires higher to the responding ability of sensor, the cost of sensor is also higher.The present embodiment is ensureing to broken
On the premise of broken machine tachometric survey required precision, in order to reduce the cost of sensor, on the driven pulley of disintegrating machine, one is only set
Individual induction point.
As shown in Figures 2 and 3, in the present embodiment, in addition to support frame, support frame are fixedly mounted on the frame of driven pulley
On, through hole is provided with support frame, sensor outer surface is provided with screw thread, and sensor passes through through hole, by the two of support frame
Respectively sensor is fixed on support frame by one nut of installation for side.By the nut of both sides, not only can be very good to fix sensing
Device, at the same time it can also the distance between very convenient height sensors and induction point, so as to ensure that sensor can accurately respond sense
What should be put passes through state.
In the present embodiment, high-speed rotation state is handled when being worked due to disintegrating machine, in order to accurately obtain sensor production
Raw pulse signal, and pulse signals are handled in time, calculate the rotating speed of disintegrating machine, the processing to calculation process module
Ability also has higher requirement, and therefore, in the present embodiment, calculation process module is Siemens's high speed counting module, counts
Module uses frequency counting type, single-phase mode of operation.Preferably, Siemens's high speed counting module is Siemens's S7-1200 moulds
Block.The frequency counting cycle is 1 second.Meanwhile the disintegrating machine of high-speed rotation to the responding ability of sensor it is also proposed higher will
Ask, rotating speed is faster, requires higher to the responding ability of sensor, the cost of sensor is also higher.The present embodiment is ensureing to broken
On the premise of broken machine tachometric survey required precision, in order to reduce the cost of sensor, on the driven pulley of disintegrating machine, one is only set
Individual induction point.
The coal sample detection line disintegrating machine of the present embodiment, including the speed detector of disintegrating machine body and the present embodiment.
Above-mentioned simply presently preferred embodiments of the present invention, not makees any formal limitation to the present invention.It is although of the invention
It is disclosed above with preferred embodiment, but it is not limited to the present invention.Therefore, it is every without departing from technical solution of the present invention
Content, according to the technology of the present invention essence to any simple modifications, equivalents, and modifications made for any of the above embodiments, it all should fall
In the range of technical solution of the present invention protection.
Claims (10)
- A kind of 1. coal sample detection line disintegrating machine Rotating speed measring method, it is characterised in that：Sensing is set on the driven pulley of disintegrating machine Point, sets sensor near the turning circumference of the induction point, and the sensor is used to pass through the biography in the induction point Pulse signal is produced during sensor, the rotating speed of the pulse signal calculating disintegrating machine is gathered by calculation process module.
- 2. coal sample detection line disintegrating machine Rotating speed measring method according to claim 1, it is characterised in that：The induction point bag Include the induction point for producing distance change, optical change or heat treatment.
- 3. coal sample detection line disintegrating machine Rotating speed measring method according to claim 2, it is characterised in that：The calculation process Module calculates the rotating speed of the disintegrating machine by measured frequency method by the pulse signal.
- 4. coal sample detection line disintegrating machine Rotating speed measring method according to claim 3, it is characterised in that：The calculation process Module is Siemens's high speed counting module, and the counting module uses frequency counting type, single-phase mode of operation.
- 5. a kind of coal sample detection line crushes tachometer, it is characterised in that：Including induction point, sensor and calculation process Module；The induction point is arranged on the driven pulley of disintegrating machine；The turning circumference that the sensor is arranged on the induction point is attached Closely, in the induction point by producing pulse signal during the sensor；The calculation process module and the sensor Connection, the rotating speed of the disintegrating machine is calculated for gathering the pulse signal.
- 6. coal sample detection line according to claim 5 crushes tachometer, it is characterised in that：The induction point bag Include the induction point for producing distance change, optical change or heat treatment.
- 7. coal sample detection line according to claim 6 crushes tachometer, it is characterised in that：The sensor bag Include distance measuring sensor, optical sensor or magnetic induction sensor.
- 8. coal sample detection line according to claim 7 crushes tachometer, it is characterised in that：Also include support Frame, support frame as described above are fixedly mounted in the frame of the driven pulley, and through hole, the sensor outer surface are provided with support frame Screw thread is provided with, the sensor passes through the through hole, by respectively installing a nut by the sensing in the both sides of support frame Device is fixed on support frame as described above.
- 9. coal sample detection line according to claim 8 crushes tachometer, it is characterised in that：The calculation process Module is Siemens's high speed counting module, and the counting module uses frequency counting type, single-phase mode of operation.
- A kind of 10. coal sample detection line disintegrating machine, it is characterised in that：Including disintegrating machine body and such as any one of claim 5 to 9 institute The speed detector stated.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710741705.2A CN107436362A (en) | 2017-08-25 | 2017-08-25 | A kind of coal sample detection line disintegrating machine Rotating speed measring method, apparatus and disintegrating machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710741705.2A CN107436362A (en) | 2017-08-25 | 2017-08-25 | A kind of coal sample detection line disintegrating machine Rotating speed measring method, apparatus and disintegrating machine |
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| CN107436362A true CN107436362A (en) | 2017-12-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111389571A (en) * | 2020-03-20 | 2020-07-10 | 新汶矿业集团有限责任公司鄂庄煤矿 | Automatic control system of gangue crusher and working method |
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| CN201261220Y (en) * | 2008-10-10 | 2009-06-24 | 三一重工股份有限公司 | Transmission slippage protector for mixer belt and mixer equipped therewith |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111389571A (en) * | 2020-03-20 | 2020-07-10 | 新汶矿业集团有限责任公司鄂庄煤矿 | Automatic control system of gangue crusher and working method |
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