CN209109594U - A kind of de-mediated sieve plate falls off monitoring device - Google Patents
A kind of de-mediated sieve plate falls off monitoring device Download PDFInfo
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- CN209109594U CN209109594U CN201820561395.6U CN201820561395U CN209109594U CN 209109594 U CN209109594 U CN 209109594U CN 201820561395 U CN201820561395 U CN 201820561395U CN 209109594 U CN209109594 U CN 209109594U
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- detection
- foreign bodies
- sieve
- detection case
- monitoring device
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Abstract
It falls off monitoring device the utility model discloses a kind of de-mediated sieve plate, including foreign bodies detection case, sieve lower pipeline, detection module and control unit；Foreign bodies detection case is connect with sieve lower pipeline, and the bottom of foreign bodies detection case is provided with double-edged fine-toothed comb, the top setting detection cover plate of foreign bodies detection case；The detection module is arranged on foreign bodies detection case, and for detecting the position of detection cover plate, when the build up of material of foreign bodies detection case makes that detection cover plate is promoted to move to certain height, control unit exports alarm signal.The advantages that solving the problems, such as the hysteresis quality of artificial experience breakdown judge, having highlighted timeliness, the practicability of the device.
Description
Technical field
The utility model relates to coal preparation plant's mechanical fault detection technical fields, and in particular to coal preparation plant's heavy media coal separation is mechanical
A kind of middle de-mediated sieve plate falls off monitoring device.
Background technique
De-mediated sieve plate release failure is one of the failure that sculping screen frequently occurs in daily production run, sculping screen two
If layer sieve plate cannot find the failure after falling off in time, the bulk materials on sieve, which enter medium system by sieve lower pipeline, be will cause
Sculping screen sieve lower pipeline blocks and then causes entire medium circulation system paralysis and can not normally produce.
The de-mediated sieve plate that coal preparation plant uses at this stage is all wearability, the preferable polyurethane sieve plate of hydrophobic performance, and is gathered
Urethane sieve plate installs fixed form on screen(ing) machine to be fixed by advising the installation of seat buckle-type with screen(ing) machine.Sculping screen is daily
It will appear the wear phenomenon of polyurethane sieve plate and screen(ing) machine rule seat when production run and then cause sieve plate buckle and loosen, if screen(ing) machine continues
Sieve plate release failure can occur when operation, if there is material on screen(ing) machine, there will be a large amount of oversizes to enter the lower chute of sieve and pipe
Lu Zhong causes medium system to be mixed into block material, sieve the production accidents such as lower chute and sieve lower pipeline blocking.
Existing screen(ing) machine sieve plate release failure can only pass through on-site personnel experience without any on-line checking protective device
The problems such as mode of judgement checks tour, and there are serious hysteresis qualitys, will lead to failure propagation in this way.
Problem in view of the prior art, it is necessary to design a kind of two layers of sieve plate of sculping screen and fall off material exceptional state alarm dress
It sets, the state of sieve plate is monitored in real time.
Utility model content
Aiming at the problems existing in the prior art, the utility model provides undersize material after a kind of de-mediated sieve plate falls off
Monitoring abnormal state device solves undersize material abnormality on-line checking after current de-mediated sieve plate release failure occurs and examines
The problems such as blank of survey and man-made fault judge hysteresis quality.
The utility model is to be achieved through the following technical solutions:
A kind of de-mediated sieve plate falls off monitoring device, including foreign bodies detection case, sieve lower pipeline, detection module and control are single
Member；
Wherein, the foreign bodies detection case is connect with sieve lower pipeline, and the material sieved in lower pipeline can branch to foreign bodies detection
In case, the bottom of foreign bodies detection case is provided with double-edged fine-toothed comb, flows out for will sieve the small material that lower pipeline shunts from double-edged fine-toothed comb hole, foreign matter
The top setting detection cover plate of detection case；
The detection module is arranged on foreign bodies detection case, for detecting the position of detection cover plate, detection module and control
Unit connection processed, when detection module changes with detection detection cover plate distance, control unit exports alarm signal.
Preferably, one end of the detection cover plate and foreign bodies detection case are rotatablely connected, and detection module setting is examined in foreign matter
The upper end of measuring tank side wall.
Preferably, foreign bodies detection case side wall is stretched out in the free end of the detection cover plate, and detection module setting is examined in foreign matter
The outside of measuring tank side wall, the position of the free end for detecting detection cover plate.
Preferably, the bottom of the detection cover plate is additionally provided with detection and visits plate, and the detection is visited plate and is obliquely installed, and tilts
Direction is identical as the falling direction of material.
Preferably, it is L-type structure that plate is visited in the detection.
Preferably, the connecting pin shortest distance that lower end to the detection cover plate of plate are visited in the detection is less than foreign bodies detection case
Width.
Preferably, the foreign bodies detection case is connected to by isocon with sieve lower pipeline, the isocon and sieve lower pipeline
Angle is acute angle.
Preferably, the junction of the isocon and sieve lower pipeline is provided with deflector, for that will sieve the object in lower pipeline
Material branches in foreign bodies detection case.
Preferably, the foreign bodies detection case is detachably connected with double-edged fine-toothed comb.
Preferably, the detection module is optoelectronic switch.
Compared with prior art, the utility model has technical effect beneficial below:
The de-mediated sieve plate falls off monitoring device, and after being occurred using de-mediated screen(ing) machine sieve plate release failure, undersize material can contain
There is a large amount of on-the-sieve material, by material diversion into foreign bodies detection case, when the build up of material of foreign bodies detection case is to a certain amount, and
Make to detect cover plate generation movement, detection module, which is detected and detected, generates variation at a distance from cover plate, then control unit output
Alarm signal, alarm equipment alarm.The device has filled up the blank of de-mediated sieve plate release failure on-line checking protective device, solves
The hysteresis quality problem of artificial experience breakdown judge, the advantages that having highlighted timeliness, the practicability of the device.
It detects cover plate and foreign bodies detection case is rotatablely connected, the outside of foreign bodies detection case is arranged in detection module, and installation is just
Victory, while material being avoided to prolong the service life the shock of detection module.
Plate is visited in the bottom setting detection for detecting cover plate, is shortened the material accumulative time, is improved the timeliness of detection.
The width that plate is less than foreign bodies detection case to the distance of connecting shaft is visited in detection, guarantees the normal opening and closing of detection cover plate.
Further material is shunted in the oral area setting deflector of isocon, guarantees that material enters detection cover plate
In.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model monitoring device.
In figure: 1, double-edged fine-toothed comb；2, deflector；3, plate is visited in detection；4, foreign bodies detection case；5, optoelectronic switch；6, cover plate is detected；
7, lower pipeline is sieved；8, isocon.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, it is described be the explanation to the utility model and
It is not to limit.
The monitoring device as shown in Figure 1, a kind of de-mediated sieve plate falls off, including foreign bodies detection case 4, isocon 8, sieve lower pipeline
7, plate 3, optoelectronic switch 5, control unit and alarm are visited in detection.
Wherein, sieve lower pipeline 7 is connect with chute line entry under sculping screen, and foreign bodies detection case 4 passes through under isocon 8 and sieve
Pipeline 7 is connected to, and isocon 8 is obliquely installed, and the angle of isocon 8 and sieve lower pipeline 7 is 30 ° -60 °.In isocon 8 and sieve down tube
Deflector 2 is additionally provided on the junction on road 7, the width of the deflector 2 is a quarter for sieving lower pipeline diameter, while different
Deflector is welded in intersection on quality testing measuring tank 4 and isocon 8；Deflector 2 is also wanted outside for the normal guide of foreign bodies detection case can
Meet the sieve normal discharging of lower pipeline 7.
Foreign bodies detection case 4 is rectangular configuration, and the top of foreign bodies detection case 4 is provided with detection cover plate 6, detects cover plate 6
One end connect with the upper end of foreign bodies detection case 4 by shaft, detection cover plate 6 being capable of Unscrew foreign bodies detection case around the shaft
4, the other end of detection cover plate 6 stretches out 4 side wall of foreign bodies detection case, and the lateral wall of foreign bodies detection case 4 is arranged in optoelectronic switch 5
Upper end, and be located at detection cover plate 6 stretch out foreign bodies detection case part bottom, optoelectronic switch 5 for detect detection case lid
6 height and position of plate, optoelectronic switch 5 are connect with control unit, and control unit is connect with alarm.
The bottom that detection cover plate 6 is arranged in plate 3 is visited in detection, and it is " 7 " font structure, inclination installation that plate 3 is visited in the detection
In the bottom of detection cover plate 6, the falling direction of inclined direction and material that 3 lower end of plate is visited in detection is consistent.Plate 3 is visited in detection
Welding is mounted on detection cover plate 6 according to field condition, and the size that plate is visited in detection should guarantee that detecting cover plate 6 is normally opened and closed
Guarantee the reliability of the sensitive detection detected when having foreign matter accumulation in foreign bodies detection case 4 again.The bottom of foreign bodies detection case 4 is can
The double-edged fine-toothed comb 1 of disassembly, small material can be leaked out with double-edged fine-toothed comb hole, and big material is then blocked on double-edged fine-toothed comb 1.
Monitoring unit is the adjustable electric switch that diffuses of BR85-DL-VR3X/E diffusing reflection, and control unit is PLC module；
For detecting undersize material abnormality situation in detection case, the fault-signal that will test is back in PLC module optoelectronic switch,
Execute sculping screen undersize material exceptional state alarm prompt facility.
Require detection direction vertical when completely closing with detection cover plate 6 when optoelectronic switch 7 is installed；It combs when in detection case 4
It can will test when stacking material on son 1 and visit the jack-up of plate 3, while foreign bodies detection cover plate 6 rotates clockwise, when optoelectronic switch 4 is visited
When not detecting detection cover plate 6, the movement of optoelectronic switch 7 is communicated by RSLINK to host computer to one return signal of PLC module
RSVIEW32 program screen(ing) machine sieve plate falls off undersize material abnormal state warning function.
The foreign bodies detection case 4 is the long a height of 500mm of 620mm wide 315mm being welded with a thickness of the steel plate of 6mm
Hollow rectangular box body, be mounted on diversion pipe 8 by welding, 4 bottom of foreign bodies detection case install it is removable
The double-edged fine-toothed comb hole of double-edged fine-toothed comb 1 is side length 25mm, and installation has the detection cover plate 6 of shaft at the top of foreign bodies detection case 4, and when installation protects
Card 6 flexible rotation of foreign bodies detection cover plate is reliable, and double-edged fine-toothed comb is easy to disassemble.
Below to a kind of de-mediated sieve plate provided by the utility model fall off monitoring device working principle carry out it is detailed
Description.
When sculping screen operates normally, undersize material can normal through the sieve lower pipeline 7 and normal discharging of foreign bodies detection case 4,
Optoelectronic switch 5 normally detects foreign bodies detection cover plate 6, and de-mediated sieve plate is in normal condition at this time.It is sieved after sieve plate falls off
Upper material can enter in sieve lower pipeline, can incite somebody to action when stacking material runs up to certain height on double-edged fine-toothed comb 1 in foreign bodies detection case 4 at this time
Detection is visited plate 3 and is jacked up, while foreign bodies detection cover plate 6 rotates clockwise, when the detection of optoelectronic switch 4 is less than detection cover plate 6
Sensor actuation gives PLC mono- return signal, which is communicated by RSLINK and give host computer RSVIEW32 program screen(ing) machine sieve plate
Fall off undersize material abnormal state warning function, alarm output alarm.
Existing screen(ing) machine sieve plate release failure can only pass through on-site personnel experience without any on-line checking protective device
The problems such as mode of judgement checks tour, and there are serious hysteresis qualitys, will lead to failure propagation in this way.Experiment of the invention
Device, undersize material can contain a large amount of on-the-sieve material after being occurred using de-mediated screen(ing) machine sieve plate release failure；By under detection sieve
Material abnormality, using diffusing, power technology testing principle designed, designed has installed undersize material after de-mediated sieve plate falls off additional
Abnormal state detecting apparatus has effectively been filled up the blank of de-mediated sieve plate release failure on-line checking protective device, has been improved
The hysteresis quality problem of artificial experience breakdown judge, the advantages that having highlighted timeliness, the practicability of the device.
The above content is only to illustrate the technical idea of the utility model, and the protection model of the utility model cannot be limited with this
Enclose, it is all according to the utility model proposes technical idea, any changes made on the basis of the technical scheme each falls within this reality
Within protection scope with novel claims.
Claims (10)
- The monitoring device 1. a kind of de-mediated sieve plate falls off, which is characterized in that including foreign bodies detection case (4), sieve lower pipeline (7), inspection Survey module and control unit；Wherein, the foreign bodies detection case (4) connect with sieve lower pipeline (7), and the material in sieve lower pipeline (7) can branch to foreign matter In detection case (4), the bottom of foreign bodies detection case (4) is provided with double-edged fine-toothed comb (1), for that will sieve the small material of lower pipeline shunting from double-edged fine-toothed comb It is flowed out in hole, top setting detection cover plate (6) of foreign bodies detection case (4)；The detection module is arranged on foreign bodies detection case (4), for detect the position of detection cover plate (6), detection module and Control unit connection, when detection module changes with detection detection cover plate (6) distance, control unit exports alarm signal Number.
- 2. de-mediated sieve plate falls off monitoring device according to claim 1, which is characterized in that detection cover plate (6) One end and foreign bodies detection case (4) are rotatablely connected, and detection module is arranged in the upper end of foreign bodies detection case (4) side wall.
- 3. de-mediated sieve plate falls off monitoring device according to claim 2, which is characterized in that detection cover plate (6) Foreign bodies detection case (4) side wall is stretched out in free end, and detection module setting is in the outside of foreign bodies detection case (4) side wall, for detecting inspection The position of the free end of measuring tank cover board (6).
- 4. de-mediated sieve plate falls off monitoring device according to claim 2, which is characterized in that detection cover plate (6) Bottom is additionally provided with detection and visits plate (3), and the detection is visited plate (3) and is obliquely installed, and inclined direction is identical as the falling direction of material.
- 5. de-mediated sieve plate falls off monitoring device according to claim 4, which is characterized in that it is L-type that plate (3) are visited in the detection Structure.
- 6. de-mediated sieve plate falls off monitoring device according to claim 4, which is characterized in that the detection is visited under plate (3) Detection cover plate (6) the connecting pin shortest distance is held to be less than the width of foreign bodies detection case (4).
- 7. de-mediated sieve plate falls off monitoring device according to claim 1, which is characterized in that the sieve lower pipeline (7) passes through Isocon (8) is connected to the side wall of foreign bodies detection case (4), and the angle of the isocon (8) and sieve lower pipeline (7) is acute angle.
- 8. de-mediated sieve plate falls off monitoring device according to claim 7, which is characterized in that under the isocon (8) and sieve The junction of pipeline (7) is provided with deflector (2), for that will sieve the material diversion in lower pipeline (7) to foreign bodies detection case (4) In.
- 9. de-mediated sieve plate falls off monitoring device according to claim 1, which is characterized in that the foreign bodies detection case (4) with Double-edged fine-toothed comb (1) is detachably connected.
- 10. de-mediated sieve plate falls off monitoring device according to claim 1, which is characterized in that the detection module is photoelectricity Switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820561395.6U CN209109594U (en) | 2018-04-19 | 2018-04-19 | A kind of de-mediated sieve plate falls off monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820561395.6U CN209109594U (en) | 2018-04-19 | 2018-04-19 | A kind of de-mediated sieve plate falls off monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209109594U true CN209109594U (en) | 2019-07-16 |
Family
ID=67195133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820561395.6U Expired - Fee Related CN209109594U (en) | 2018-04-19 | 2018-04-19 | A kind of de-mediated sieve plate falls off monitoring device |
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| CN (1) | CN209109594U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108554801A (en) * | 2018-04-19 | 2018-09-21 | 榆林学院 | A kind of de-mediated sieve plate falls off monitoring device |
| CN112207033A (en) * | 2020-06-30 | 2021-01-12 | 甄方方 | Floating ball type sieve plate falling detection device |
-
2018
- 2018-04-19 CN CN201820561395.6U patent/CN209109594U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108554801A (en) * | 2018-04-19 | 2018-09-21 | 榆林学院 | A kind of de-mediated sieve plate falls off monitoring device |
| CN112207033A (en) * | 2020-06-30 | 2021-01-12 | 甄方方 | Floating ball type sieve plate falling detection device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190716 Termination date: 20210419 |