CN112363482A - Method for conveniently and rapidly performing point inspection on equipment - Google Patents
Method for conveniently and rapidly performing point inspection on equipment Download PDFInfo
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- CN112363482A CN112363482A CN202011187256.XA CN202011187256A CN112363482A CN 112363482 A CN112363482 A CN 112363482A CN 202011187256 A CN202011187256 A CN 202011187256A CN 112363482 A CN112363482 A CN 112363482A
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- 238000007689 inspection Methods 0.000 title claims abstract description 110
- 238000000034 method Methods 0.000 title claims abstract description 51
- 239000000428 dust Substances 0.000 claims abstract description 40
- 238000005245 sintering Methods 0.000 claims abstract description 26
- 238000002156 mixing Methods 0.000 claims abstract description 22
- 238000012216 screening Methods 0.000 claims abstract description 22
- 238000012545 processing Methods 0.000 claims abstract description 13
- 239000003638 chemical reducing agent Substances 0.000 claims description 21
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 10
- 238000005299 abrasion Methods 0.000 claims description 8
- 239000000498 cooling water Substances 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims description 6
- 210000000078 claw Anatomy 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000001050 lubricating effect Effects 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 4
- 239000000779 smoke Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 87
- 238000001514 detection method Methods 0.000 description 32
- 230000000007 visual effect Effects 0.000 description 22
- 230000002159 abnormal effect Effects 0.000 description 18
- 238000005461 lubrication Methods 0.000 description 8
- 230000000903 blocking effect Effects 0.000 description 6
- 230000006378 damage Effects 0.000 description 6
- 238000007599 discharging Methods 0.000 description 6
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- 230000017525 heat dissipation Effects 0.000 description 4
- 230000008021 deposition Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000010985 leather Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000011179 visual inspection Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241001417527 Pempheridae Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
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- 208000014674 injury Diseases 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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Abstract
The invention relates to a method for conveniently and rapidly performing point inspection on equipment, which belongs to the technical field of equipment maintenance, and is characterized in that a point inspection system is generated by processing parameters of A-type equipment to be subjected to point inspection and processing parameter standards of the A-type equipment, two-dimensional code pictures are respectively generated by modules in the point inspection system, the generated two-dimensional code pictures are pasted on a corresponding sintering machine, a mixing machine, a dust remover, screening equipment and a main exhaust fan in the A-type equipment, a point inspection worker directly scans two-dimensional codes through a point inspection mobile phone and performs point inspection on each part of each equipment main body according to the processing parameter standards in the point inspection system, the method does not omit the processing parameters to be subjected to point inspection, and is convenient to operate and familiarize with the equipment parameters, the point inspection standards and the point inspection requirements; meanwhile, the method can effectively improve the requirement of post personnel on the state of the equipment and timely carry out fault treatment on the equipment to avoid loss.
Description
Technical Field
The invention belongs to the technical field of equipment maintenance, and particularly relates to a method for conveniently and quickly performing point inspection on equipment.
Background
At present, an equipment management system EA of a company can only be used by a regional responsible person, and can only scan NFC cards for point inspection on part of equipment on site through a point inspection mobile phone equipped by the company, so that the point inspection function of the point inspection mobile phone is limited. Workshop post personnel can not be skilled in mastering performance, point inspection standard and maintenance period of equipment, post point inspection exists formalization, and the workshop can not know the dynamics of post point inspection in time, so that hidden dangers of equipment can not be exposed in time.
Disclosure of Invention
The invention provides a method for conveniently and rapidly checking equipment, which can effectively improve the requirement of post personnel on the state of the equipment and timely carry out fault treatment on the equipment to avoid loss.
The technical scheme adopted by the invention for solving the technical problems is as follows: a method for conveniently and rapidly performing point inspection on equipment comprises the following specific steps:
step 1: subdividing technological parameters of A-type equipment in a workshop, wherein the A-type equipment comprises a sintering machine, a mixing machine, a dust remover, screening equipment, a main exhaust fan and a transformer, wherein:
each technological parameter needing point inspection of the sintering machine comprises the temperature of a main transmission speed reducer, the temperature of a flexible transmission speed reducer, the temperature of a motor of the sintering machine, the running state of a safety coupling, the oil level of an oil tank and whether the sintering machine leaks oil or not;
the technological parameters of the mixer needing point inspection include bearing temperature, the oil level of the lubricating station of the mixer, the pressure of a pressure gauge at the outlet of an oil pump, whether cooling water supply is normal or not, the running state of a hydraulic coupler, the running state of a riding wheel and a riding wheel, and the contact state of the riding wheel and the baffle wheel with the mixer;
the technological parameters of the dust remover which need point inspection comprise the vibration amplitude of a fan, the temperature of a head-tail chain wheel bearing, the smoke emission condition of a chimney, the data of a field pressure gauge, the pressure of a main pipe air source, whether a blowing valve leaks air, whether a top cover plate and an air pipe leak dust, the running state of an ash discharge valve, whether an air storage tank accumulates water, the running state of a fan coupler, whether a water cooling system pipeline is smooth and whether a protective cover is loosened;
each technological parameter needing point inspection of the screening equipment comprises a fastening state of a middle connecting shaft bolt of the vibration exciter, a lubricating state of a bearing of the vibration exciter, whether an upper spring and a lower spring of the box body are broken or not, whether a fixing bolt of the screen plate is loosened or not, a fastening state of a coupling bolt, a wear degree of the screen mesh, a wear degree of a lining plate of the screen box, temperatures of a speed reducer and a motor of the belt conveyor, oil levels of an oil pump and an oil tank, whether abrasion exists on the plum elastic claw or not, whether abrasion exists on the band-type brake;
each process parameter needing point inspection of the main exhaust fan comprises the oil level, the temperature and the vibration of a motor driving end, the temperature and the vibration of a non-driving end of the motor, the cleaning degree of a protective cover, the oil level, the temperature and the vibration of a fan driving end, the oil level, the temperature and the vibration of the non-driving end of the fan, the fastening state of a bolt and the existence of a leakage phenomenon;
the transformer is characterized in that each process parameter needing point inspection comprises the running state of a cooling fan, the oil level, the oil temperature, whether noise exists or not, whether a heating phenomenon exists at a joint terminal or not, whether oil is leaked or not, the cleaning degree of an insulating column and whether a creepage phenomenon exists at the insulating column or not;
step 2: generating the technological parameters of the class A equipment needing spot inspection in the step 1 and the technological parameter standards of the class A equipment into a spot inspection system, wherein:
the point inspection system comprises a sintering machine module, a mixing machine module, a dust remover module, a screening equipment module, a main exhaust fan module, a data processing module, a judgment module and an alarm module, wherein the output ends of the sintering machine module, the mixing machine module, the dust remover module, the screening equipment module and the main exhaust fan module are all connected with the input end of the data processing module, the output end of the data processing module is connected with the input end of the judgment module, and the output end of the judgment module is connected with the input end of the alarm module;
and step 3: respectively generating two-dimensional code pictures by the sintering machine module, the mixing machine module, the dust remover module, the screening equipment module and the main exhaust fan module, and sticking the generated two-dimensional code pictures on the corresponding sintering machine, the mixing machine, the dust remover, the screening equipment and the main exhaust fan;
and 4, step 4: a point inspection person scans the two-dimensional code picture through a point inspection mobile phone to enter a corresponding module in the point inspection system, and judges whether to start the alarm module according to a process parameter standard in the point inspection system;
and 5: when the alarm module is started, the fault is required to be processed in time, when the alarm module is not started, the next process parameter is directly checked, and the steps are repeated until all process parameters are checked.
As a further preferred aspect of the present invention, when the process parameter of the class a device to be inspected is a device, the inspector inputs information into the inspection system, and then the determining module determines that the parameter standard is not met, and the alarm module is activated.
As a further preferred aspect of the present invention, when the process parameter of the class a device to be spot-inspected is a hand feeling target, a spot-inspecting person directly manually turns on the alarm module on the spot-inspecting system.
As a further preferred aspect of the present invention, after the alarm module is started, the process parameter is displayed in red on the point inspection mobile phone.
As a further preferred aspect of the present invention, the activated alarm module is manually turned off by a point inspection person.
In the above-described type a apparatus, it is preferable that the sintering machine, the mixer, the dust collector, the screening apparatus, the main exhaust fan, and the transformer are all checked for ash deposition in the respective apparatus main bodies.
Through the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1. the invention does not omit the technological parameters needing point inspection, and has the advantages of convenient operation;
2. the alarm module is self-starting and manual, and can meet the point inspection statistics of various process parameters;
3. according to the invention, as the number of the inspection personnel is 24 hours and 3 classes, when the inspection personnel of the current class cannot process the inspection personnel, the inspection personnel of the class other than the current class carry out preliminary inspection by observing whether the red marking position exists in the inspection system;
4. the invention further promotes the point inspection personnel to know the parameter standard by providing the parameter standard;
5. the implementation of the invention not only steadily reduces the frequency of equipment hot stop and failure, but also the failure stop rate reaches 0.01 percent;
6. the invention can effectively improve the requirement of post personnel on the state of the equipment and timely carry out fault treatment on the equipment to avoid loss.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of the point inspection system of the present invention.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
Example 1
The embodiment provides a preferred embodiment, a convenient method of examining equipment point, including a class A equipment, a class A equipment is the large-scale important equipment in workshop, a class A equipment includes sintering machine, mixer, dust remover, screening equipment and main air exhauster and transformer, these equipment are prior art, wherein:
the sintering machine comprises a main transmission speed reducer, a flexible transmission speed reducer, a motor, a safety coupling, an oil tank and the like; the mixer comprises a bearing, a mixer lubricating station, an oil pump outlet site pressure gauge, cooling water, a hydraulic coupler, a riding wheel, a catch wheel, a mixer and the like; the dust remover comprises a fan, a head-tail chain wheel bearing, a chimney, a pressure gauge, a main pipe air source, a blowing valve, a top cover plate, an air pipe, an ash discharge valve, an air storage tank, a fan coupling, a water cooling system pipeline, a protective cover and the like; the screening equipment comprises a vibration exciter middle connecting shaft bolt, a vibration exciter bearing, a box body upper spring, a box body lower spring, a screen plate fixing bolt, a coupling bolt, a screen mesh, a screen box lining plate, a belt conveyor speed reducer, a motor, an oil pump, an oil tank, a plum blossom elastic claw, a band-type brake, a belt, a roller bearing and the like; the main exhaust fan comprises a motor, a protective cover, a fan, a bolt and the like; the transformer includes a cooling fan, a joint terminal, an insulating column, and the like.
As shown in fig. 1, the specific steps of this embodiment are as follows:
step 1: subdividing process parameters needing point inspection of the class-A equipment in a workshop;
the A-type equipment needs to be checked, and the technological parameters, the parameter standards, the checking mode and the solving mode are as follows:
the sintering machine needs to check each technological parameter and parameter standard: the temperature of the main transmission speed reducer is less than 60 ℃, the temperature is detected by a handheld temperature measuring gun, the upper limit of the temperature of 60 ℃ is determined according to the characteristic that the running speed of the speed reducer is slow (the transmission ratio is 8.778), the bearing can be burnt out when the speed reducer runs at a continuous high temperature, and the equipment can be operated in a normal temperature range as far as possible by increasing an exhaust fan to reduce the temperature and checking the circulating cooling water;
the temperature of the flexible transmission speed reducer is less than 60 ℃, the temperature is detected by a handheld temperature measuring gun, the bearing is burnt out when the flexible transmission speed reducer runs at a continuous high temperature, and the equipment can be operated in a normal temperature range as far as possible by increasing an exhaust fan to reduce the temperature and checking the circulating cooling water; the safety coupling runs stably without noise, whether the appearance of the equipment runs stably or not is visually observed, whether a hand-feeling motor and a speed reducer base vibrate or not is visually observed, the machine is stopped immediately when abnormity occurs, the safety coupling is checked, and the safety coupling is replaced under the condition of faults such as slipping;
the motor runs stably, the temperature is less than 60 ℃, no obvious vibration exists, the handheld temperature measuring gun is used for detecting, the allowable working temperature of the bearing of the motor is 60 ℃, the working temperature is obtained by combining the field environment and the experience of a point inspection worker, the bearing can be burnt out when the handheld temperature measuring gun runs under continuous high temperature, whether the bearing is lack of oil, whether the bearing has no abnormal sound and whether the bearing gap has abnormal condition or not can be heard through the sound listening rod, and if the motor is cooled normally after overtemperature, the machine is stopped to check whether the bearing is intact or not, and whether the bearing is lubricated normally or not can;
the oil level of the speed reducer is neutral, no oil leakage occurs, an oil mirror is observed visually, if the oil shortage occurs, a bearing is burnt out, the oil level of an oil tank is detected in time, and oil supplement is carried out;
bolts of all parts are fastened and complete, the bolts visually identify marks or correspond to wrenches, equipment vibration is increased due to the fact that foundation bolts are loosened, and therefore the foundation bolts need to be detected and fastened;
the motor shell and the bolt shell are intact, the air duct has no dust deposition, the bolt has no looseness, and the bearing of the gear box is normally lubricated (1 time/month, butter); the main body of the equipment has no dust deposition, leakage and leakage, visual detection influences the heat dissipation and lubrication conditions of the equipment, searches the reasons of oil leakage, manages the root causes, and avoids the oil leakage phenomenon.
The mixer needs to check various process parameters and parameter standards: the temperature of the bearing is less than 65 ℃, the bearing is detected by a handheld temperature measuring gun, the bearing can be damaged by fatigue when running at a continuous high temperature, and the equipment can be operated in a normal temperature range as far as possible by increasing an exhaust fan to reduce the temperature, increasing the circulation of thin oil and checking the circulating cooling water;
the bolt is not loosened, the operation is stable, the bearing has no abnormal noise, the oil level is normal, the bolt visually identifies or corresponds to a spanner, and an oil lens is observed; the looseness of the foundation bolts can cause the vibration of equipment to be increased, and if the oil shortage condition occurs, the bearings can be burnt out, and gears can be abraded;
the method comprises the steps that an oil pump runs, oil pressure is normal, a speed reducer is well lubricated, the oil level of a lubricating station of a mixer is observed, the pressure of a pressure gauge at the site of an outlet of the oil pump is observed, if the oil pressure is low, lubrication of all parts of equipment can be affected, so that faults such as bearing damage and the like are caused, and the running condition of the oil pump, whether a coupler is intact and whether a filter screen of an oil inlet;
the cooling water is supplied normally without oil leakage, and the numerical value of the pressure transmitter is observed; checking the corresponding water pump running condition, checking pipelines and the like;
the safety protection of the coupler is complete, the equipment is sanitary and good, visual detection is carried out, a protective cover is additionally arranged on high-speed operation equipment, and accumulated dust on the safe part of the operation equipment is cleaned;
the hydraulic coupler runs stably and is oil-tight, whether oil seepage occurs or not is judged visually, the easy-to-hold plug bursts due to long-time oil seepage, the shutdown is protected, and if the oil seepage is found, the shutdown is carried out to check whether the easy-to-hold plug of the coupler is loosened or not, and the seal of the coupler is intact or not;
the riding wheel and the blocking wheel of the mixer have no abnormity in operation, the lubrication is good, visual detection is carried out, the operation of the mixing cylinder is not stable due to inflexible operation, and if the operation is not stable, the lubrication condition of the part needs to be rapidly checked;
the contact surfaces of the riding wheels and the blocking wheels and the mixing machine are good, the vibration of the mixing machine is caused due to the poor contact surfaces in a base hand feeling mode, the foundation is easy to loosen, the normal operation of the mixing machine is influenced to a certain extent, and the machine is stopped in time to replace the worn riding wheels and the worn blocking wheels;
the surfaces of the riding wheels are well lubricated, visual detection shows that the vibration of the mixer is caused due to poor contact surfaces, the foundation is easy to loosen, the normal operation of the mixer is influenced to a certain extent, and the machine is stopped in time to replace the worn riding wheels;
the mixer is stably meshed without any noise, the vibration of the mixer is caused by poor contact of gears in a hand-feeling pinion base mode, the foundation is easy to loosen, the normal operation of the mixer is influenced to a certain extent, and the gear meshing clearance is checked and adjusted in time;
the pinion operates without abnormal sound, the bearing temperature is less than 65 ℃, the abnormal sound and long-time overtemperature operation can influence the service life of the bearing through the hand-held temperature measuring gun detection in a pinion base hand feeling mode, and the lubrication condition is checked;
the mixing machine barrel is stable and vibration-free, and the abrasion of the riding wheels can be increased due to the unstable operation of the mixing barrel through visual detection, and the supporting parts are checked to ensure the balanced stress of the riding wheels;
the feed inlet of the mixer does not scatter materials, and the discharge outlet does not accumulate materials, visual detection is carried out, whether a water adding spray head of the mixer is blocked or not is checked, whether material stems exist or not is checked, and accumulated materials are cleaned during maintenance.
The dust remover needs to check various process parameters and parameter standards:
the chimney does not smoke, the cloth bag does not fall off, the chimney effect is visually observed, the online detection data exceeds the standard, the cloth bag is checked to be free of damage, and the damaged cloth bag is replaced in time;
the air source triple piece is intact, the air source pressure is normal, the blowing effect is influenced by low pressure when the data of a field pressure gauge is observed, so that the dust removal pressure difference of a cloth bag is high, the dust collection effect of the field is poor, whether the air source pressure and the valve of a main pipe are normal or not and whether the blowing valve has an air leakage phenomenon or not are checked, and the blowing pulse valve with the air leakage is replaced in time;
the top cover plate and the air pipe do not leak dust, visual detection is carried out, and the dust leaking place is repaired in time;
the ash discharging valve operates normally, the ash body does not leak ash, whether the normal ash discharging can be carried out or not is judged visually, the faults of the ash discharging valve mainly include motor overload, coupler slipping and foreign matter blockage, and the ash bin is full and the differential pressure of a dust remover is high due to the fact that the ash cannot be discharged; checking whether a motor bearing of the ash discharging valve is lack of oil or not, whether the current is normal or not, well connecting a coupler and an ash bin are free of foreign matters, and timely repairing and discharging ash according to the reasons;
the air storage tank has no accumulated water, the fan coupler is intact and has no damage, visual detection is carried out, if the equipment cannot run, the reason is analyzed in time, and the coupler is replaced;
the fan runs stably without abnormal noise, has small vibration amplitude, is detected by a vibration meter, has large vibration amplitude and is shut down in a linkage manner; checking and fastening bolts at all parts, checking whether a bearing is intact, checking whether the coaxiality size of the coupler is within an error range, and checking whether a rotor is abraded or not;
the water cooling system has smooth pipelines, no leakage and normal water temperature, a field pressure gauge, a flowmeter and a thermometer are observed visually, the temperature of each part is increased, and the water inlet temperature and whether the pipelines are blocked or not are checked;
the blade shaft of the inlet adjusting door is connected with the driving handle completely, and visual detection is carried out, if an actuator cannot be adjusted and processed in time;
the protective cover is complete and free from looseness, and personal injury can be caused by visual detection and falling of the protective cover, so that timely detection is needed, and if the protective cover is loosened, reinforcement is needed again;
the speed reducer of the ash unloading system is stable, has no abnormal sound and no oil leakage, and is subjected to visual detection and sound bar judgment; if the ash can not be discharged and the ash bin is full, checking reasons or replacing the speed reducer, and timely repairing and discharging the ash;
the temperature of the head and tail chain wheel bearings is less than 65 ℃, the temperature is detected by a handheld temperature measuring gun, if the handheld temperature measuring gun continuously operates at high temperature, the bearings can be burnt out, and the temperature can be reduced by adding an exhaust fan, so that the equipment can operate in a normal temperature range as far as possible;
the scraper chain is not seriously abraded, and an observation hole is opened for visual observation; if the chain of the scraper conveyor is broken, timely welding and repairing; all parts of the equipment main body are fastened by bolts and are complete, and the bolts are visually marked or correspond to wrenches.
The screening equipment needs to check various process parameters and parameter standards:
the middle connecting shaft of the vibration exciter is fastened by bolts, is complete and is not damaged, the bolts are visually marked or correspond to a spanner, and if the connecting shaft is loosened, swung and cannot normally run, equipment is stopped to fasten the bolts in time;
the vibration exciter has the advantages that the bearing lubrication is good, the pressure of an outlet is automatically lubricated, the bearing is damaged due to poor lubrication, the bearing needs to be replaced in time, and the bearing is timely replenished with oil through frequent spot inspection;
the upper spring and the lower spring of the box body are not fractured, and visual detection shows that the upper spring and the lower spring are not fractured, so that the amplitude of each part of the sieve is inconsistent, equipment is shut down, and the springs need to be replaced in time;
the box body runs stably, the noise is avoided, the sieve plate is free of welding failure and damage, visual detection shows that the sieve plate fixing bolt is free of abnormal looseness, the vibration equipment is cracked due to the looseness of the sieve plate fixing bolt, and the sieve plate needs to be fastened and welded in time after shutdown;
the shaft coupling is fully fastened by bolts, the rubber connecting sheet is not damaged or lost, the bearing temperature of the vibration exciter is lower than 65 ℃, the temperature rise is avoided, the bearing is burnt out when the vibration exciter operates under continuous high temperature through a handheld temperature measuring gun, the temperature can be reduced by increasing an exhaust fan when the temperature exceeds 65 ℃, and the equipment can operate in a normal temperature range as far as possible;
the screen mesh is not seriously abraded, the granularity of undersize products is detected, the product quality is seriously influenced by the oversize products, and the screen mesh needs to be replaced at the moment;
the lining plate of the screen box is not seriously abraded, the bolts are fastened completely, the bolts visually identify marks or correspond to wrenches, equipment vibration is increased due to the fact that foundation bolts are loosened, and therefore the foundation bolts need to be detected and fastened;
the temperature of a speed reducer of the belt conveyor and a bearing of a motor is lower than 65 ℃, no temperature rise and no abnormal noise occur, the handheld temperature measuring gun is used for detecting, the bearing can be burnt out when the handheld temperature measuring gun runs at a continuous high temperature, the temperature can be reduced by increasing an exhaust fan when the temperature exceeds 65 ℃, and the equipment can run in a normal temperature range as far as possible;
the oil level of the speed reducer is in the center line of an oil pointer, no oil leakage phenomenon exists, an oil mirror is observed visually, if the oil shortage condition occurs, a bearing is burnt, and the oil level of an oil pump and the oil level of an oil tank need to be checked in time;
bolts of all parts of the equipment main body are fastened and complete, the bolts visually identify marks or correspond to wrenches, and equipment vibration is increased due to the fact that foundation bolts are loosened, so that the foundation bolts need to be detected and fastened;
the equipment runs without abnormal noise and runs stably, and is visually detected to check whether abnormal noise exists or not, and if the abnormal noise is serious, the equipment stops running to check whether the parts are loosened or not;
the plum blossom-shaped elastic claw is not worn and has a perfect shape, visual detection shows that the operation of the equipment is directly influenced by the wear of the plum blossom-shaped elastic claw, and a new elastic claw needs to be replaced;
the band-type brake is not worn, the carrier roller bracket and the roller are not deformed and worn, the parking cannot be stopped stably for a short time through visual detection, and the band-type brake gap needs to be adjusted or replaced;
the carrier roller support and the roller have no deformation or abrasion, visual detection is carried out, the carrier roller support and the roller influence the normal conveying station of the belt or the deviation of the belt, and the carrier roller support needs to be adjusted or the roller needs to be replaced in time;
the adhesive tape joint, the sweeper and the blocking leather are not opened, have no abrasion, have complete blocking leather, are visually detected, have belt breakage and serious material scattering, need to shut down the auxiliary material to timely re-make the joint, replace the blocking leather and the like;
the temperature of the roller bearing is less than 65 ℃ and the roller bearing rotates without noise, the roller bearing is detected through the handheld temperature measuring gun, the roller bearing runs at a continuous high temperature, the bearing can be burnt out, the temperature exceeds 65 ℃ and can be reduced through the addition of the exhaust fan, and the roller bearing can run in a normal temperature range as far as possible.
The main exhaust fan needs to check each technological parameter and parameter standard:
the surface of the protective cover has no dust and oil stains, visual detection shows that the dust and oil stains are more, the heat dissipation condition of the corresponding part can be influenced, the dust and oil stains need to be cleaned in time, and the cleanness of equipment is ensured;
oil levels of a driving end and a non-driving end of the motor are normal, the temperature is normal and does not exceed 75 ℃, the vibration is normal and does not exceed 6.3mm/s, an oil mirror is observed visually, if an oil shortage condition occurs, a bearing or the motor is burnt, and the pressure of an outlet of an oil pump and the oil level of an oil tank need to be checked in time; on-line temperature detection, when the device runs at a continuous high temperature, the bearing bush is burnt out, whether the amount of lubricating oil is appropriate or not and whether the oil temperature is normal or not are checked, and the device is allowed to run in a normal temperature range as far as possible; on-line vibration detection, main extraction tripping is caused by over-standard vibration amplitude, production is stopped, and whether fan coupling connection is normal or not, whether bearing bush clearance is abnormal or not and whether fan rotors are abnormal or not are subjected to abnormal abrasion or not are mainly checked;
the oil levels of a driving end and a non-driving end of the fan are normal, the temperature is normal and does not exceed 65 ℃, the vibration is normal and does not exceed 6.3mm/s, an oil mirror is observed visually, if the oil shortage occurs, a bearing or a motor is burnt, and the pressure of an outlet of an oil pump and the oil level of an oil tank need to be checked in time; on-line temperature detection, when the device runs at a continuous high temperature, the bearing bush is burnt out, whether the amount of lubricating oil is appropriate or not and whether the oil temperature is normal or not are checked, and the device is allowed to run in a normal temperature range as far as possible; on-line vibration detection, main extraction tripping is caused by over-standard vibration amplitude, production is stopped, and whether fan coupling connection is normal or not, whether bearing bush clearance is abnormal or not, whether air door opening is normal or not and whether fan rotors are abnormal or not are mainly checked;
the foundation bolt is firm, has no deformation, has no looseness, and equipment has no leakage phenomenon, visual detection, and the leakage phenomenon influences the equipment heat dissipation and lubrication conditions, needs to look for the oil leakage reason, administers the root cause, stops the oil leakage phenomenon.
The transformer needs to be checked, and the technical parameters and parameter standards are as follows:
the cooling fan runs normally, visual detection is carried out, when cooling fails, the heat dissipation condition of the transformer is influenced, and a new exhaust fan needs to be replaced in time in combination with the current ambient temperature;
the oil level is normal, an oil level indicator is observed visually, the transformer is subjected to protection tripping when the oil is seriously deficient, large-area power failure is caused, and power failure is coordinated as soon as possible to supplement oil in time according to the actual oil level of the transformer;
the oil temperature is normal and is not higher than 80 ℃, a thermometer is observed visually, the oil temperature is higher than 80 ℃, the system safety operation is caused, the service life of an insulating part in the transformer can be shortened, the transformer is required to be checked whether the overload operation exists or not, and a cooling fan can be temporarily supercharged;
the sound of the main body of the equipment is normal, whether the indoor sound is humming or not is heard, if abnormal sound exists, real-time load needs to be checked, whether individual parts are loose or not, whether high power is started or not is judged, and the like;
the connector terminal has no heating phenomenon, and the heating of the connector terminal can damage the insulator and trip and power off through the detection of an infrared thermometer, so that the power off is needed to check the connection position, and whether the connection position is loosened or damaged or not;
the cable has no heating phenomenon, and the heating of the cable can cause tripping and power failure through the detection of an infrared thermometer, so that whether the joint is fastened or not needs to be checked in the power failure mode;
the transformer has no oil leakage phenomenon, visual detection shows that the oil level of the transformer is influenced when the oil leakage is serious, and power failure is coordinated as soon as possible according to the actual oil level of the transformer, the oil leakage is treated, and the oil is supplemented in time;
the insulating column is clean and free of accumulated dust, and the creepage phenomenon can be caused by the serious accumulated dust through visual detection, the tripping is reduced through insulation, and the accumulated dust needs to be cleaned in time when power failure occurs; for the creepage phenomenon of the insulating column, power failure needs to be cut off to clean accumulated dust in time.
Step 2: generating the technological parameters of the class A equipment needing spot inspection in the step 1 and the technological parameter standards of the class A equipment into a spot inspection system, wherein:
the point inspection system comprises a sintering machine module, a mixing machine module, a dust remover module, a screening equipment module, a main exhaust fan module, a data processing module, a judgment module and an alarm module, wherein the sintering machine module is mixed with the mixing machine module, the dust remover module, the screening equipment module and the main exhaust fan module output end are connected with the data processing module input end, the data processing module output end is connected with the judgment module input end, and the judgment module output end is connected with the alarm module input end.
And step 3: respectively generating two-dimensional code pictures by the sintering machine module, the mixing machine module, the dust remover module, the screening equipment module and the main exhaust fan module, and sticking the generated two-dimensional code pictures on the corresponding sintering machine, the mixing machine, the dust remover, the screening equipment and the main exhaust fan;
and 4, step 4: a point inspection person scans the two-dimensional code picture through a point inspection mobile phone to enter a corresponding module in the point inspection system, and judges whether to start the alarm module according to a process parameter standard in the point inspection system;
wherein: when the technological parameters of the class-A equipment needing point inspection are instruments, point inspection personnel input information in the point inspection system, and then the judgment module judges that the parameter standard is not met, the alarm module is started, otherwise, the alarm module is not started; when the technological parameter of the type A equipment needing point inspection is the hand feeling, a point inspection worker directly and manually starts the alarm module on the point inspection system, otherwise, the alarm module does not need to be manually started; after the alarm module is started, the process parameters are displayed in red on the point inspection mobile phone; and the alarm module after being started is manually closed by a point inspection person.
And 5: when the alarm module is started, the fault is required to be processed in time, when the alarm module is not started, the next process parameter is directly checked, and the steps are repeated until all process parameters are checked.
In the embodiment, each process parameter of the class A equipment needing spot inspection and each process parameter standard of the class A equipment are used for generating the spot inspection system, each module in the spot inspection system is used for generating a two-dimensional code picture, and spot inspection personnel directly scan the two-dimensional code through the spot inspection mobile phone and conduct spot inspection on each part of each equipment main body according to the process parameter standard in the spot inspection system. The embodiment also comprises an alarm module, wherein the measured value is input to the corresponding process parameter item in the mobile phone needing point detection of the process parameter to be measured, and the judgment module judges whether the measured value meets the parameter standard or not, and the measured value does not meet the requirement that the alarm module is triggered to meet the point detection of the next process parameter; and for the technological parameters needing hand feeling visual inspection, point inspection personnel visually inspect the technological parameters according to the parameter standard hand feeling, and if the technological parameters do not accord with the parameter standard hand feeling standard, the alarm module is started. When the alarm system is triggered by the process parameter needing to be measured, the process parameter is displayed in red in the point inspection mobile phone, namely, a point inspection person is reminded that the process parameter needs to be processed; for the technological parameters needing hand feeling visual inspection, the point inspection personnel think that the technological parameters need to be processed, and manually start the alarm module, namely the technological parameters are displayed in red in the point inspection mobile phone, and the point inspection personnel simultaneously process the technological parameters. In the embodiment, the number of the inspection personnel is 24 hours and 3 shifts, and when the inspection personnel in the current shift cannot process the inspection personnel, the inspection personnel in the non-shift carry out preliminary inspection by observing whether the inspection system has red marking positions. The embodiment further promotes the point inspection personnel to know the parameter standard by providing the parameter standard; the implementation of the embodiment not only stably reduces the frequency of equipment hot stop and failure, but also achieves the failure stop rate of 0.01 percent.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The meaning of "and/or" as used herein is intended to include both the individual components or both.
The term "connected" as used herein may mean either a direct connection between components or an indirect connection between components via other components.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. A method for conveniently and rapidly performing point inspection on equipment is characterized by comprising the following specific steps:
step 1: subdividing technological parameters of A-type equipment needing point inspection in a workshop, wherein the A-type equipment comprises a sintering machine, a mixing machine, a dust remover, screening equipment, a main exhaust fan and a transformer, wherein:
each technological parameter needing point inspection of the sintering machine comprises the temperature of a main transmission speed reducer, the temperature of a flexible transmission speed reducer, the temperature of a motor of the sintering machine, the running state of a safety coupling, the oil level of an oil tank and whether the sintering machine leaks oil or not;
the technological parameters of the mixer needing point inspection include bearing temperature, the oil level of a lubricating station of the mixer, the pressure of a site pressure gauge at an outlet of an oil pump, whether cooling water supply is normal or not, the running state of a hydraulic coupler, the running state of a riding wheel catch wheel and the contact state of the riding wheel catch wheel and the mixer;
the technological parameters of the dust remover which need point inspection comprise the vibration amplitude of a fan, the temperature of a head-tail chain wheel bearing, the smoke emission condition of a chimney, the data of a field pressure gauge, the pressure of a main pipe air source, whether a blowing valve leaks air, whether a top cover plate and an air pipe leak dust, the running state of an ash discharge valve, whether an air storage tank accumulates water, the running state of a fan coupler, whether a water cooling system pipeline is smooth and whether a protective cover is loosened;
each technological parameter needing point inspection of the screening equipment comprises a fastening state of a middle connecting shaft bolt of the vibration exciter, a lubricating state of a bearing of the vibration exciter, whether an upper spring and a lower spring of the box body are broken or not, whether a fixing bolt of the screen plate is loosened or not, a fastening state of a coupling bolt, a wear degree of the screen mesh, a wear degree of a lining plate of the screen box, temperatures of a speed reducer and a motor of the belt conveyor, oil levels of an oil pump and an oil tank, whether abrasion exists on the plum elastic claw or not, whether abrasion exists on the band-type brake;
each process parameter needing point inspection of the main exhaust fan comprises the oil level, the temperature and the vibration of a motor driving end, the temperature and the vibration of a non-driving end of the motor, the cleaning degree of a protective cover, the oil level, the temperature and the vibration of a fan driving end, the oil level, the temperature and the vibration of the non-driving end of the fan, the fastening state of a bolt and the existence of a leakage phenomenon;
the transformer is characterized in that each process parameter needing point inspection comprises the running state of a cooling fan, the oil level, the oil temperature, whether noise exists or not, whether a heating phenomenon exists at a joint terminal or not, whether oil is leaked or not, the cleaning degree of an insulating column and whether a creepage phenomenon exists at the insulating column or not;
step 2: generating the technological parameters of the class A equipment needing spot inspection in the step 1 and the technological parameter standards of the class A equipment into a spot inspection system, wherein:
the point inspection system comprises a sintering machine module, a mixing machine module, a dust remover module, a screening equipment module, a main exhaust fan module, a data processing module, a judgment module and an alarm module, wherein the output ends of the sintering machine module, the mixing machine module, the dust remover module, the screening equipment module and the main exhaust fan module are all connected with the input end of the data processing module, the output end of the data processing module is connected with the input end of the judgment module, and the output end of the judgment module is connected with the input end of the alarm module;
and step 3: respectively generating two-dimensional code pictures by the sintering machine module, the mixing machine module, the dust remover module, the screening equipment module and the main exhaust fan module, and sticking the generated two-dimensional code pictures on the corresponding sintering machine, the mixing machine, the dust remover, the screening equipment and the main exhaust fan;
and 4, step 4: a point inspection person scans the two-dimensional code picture through a point inspection mobile phone to enter a corresponding module in the point inspection system, and judges whether to start the alarm module according to a process parameter standard in the point inspection system;
and 5: when the alarm module is started, the fault is required to be processed in time, when the alarm module is not started, the next process parameter is directly checked, and the steps are repeated until all process parameters are checked.
2. The method for conveniently checking the equipment according to claim 1, wherein: when the technological parameter needing point inspection of the class-A equipment is a device, a point inspection worker inputs information in the point inspection system, and then the judgment module judges that the parameter standard is not met, and the alarm module is started.
3. The method for conveniently checking the equipment according to claim 1, wherein: when the technological parameters of the A-type equipment needing point inspection are hand feeling targets, point inspection personnel directly and manually start the alarm module on the point inspection system.
4. A method for facilitating the point inspection of a device according to claim 2 or 3, wherein: after the alarm module is started, the process parameters are displayed in red on the point inspection mobile phone.
5. The method for conveniently checking the equipment according to claim 4, wherein: and the alarm module after being started is manually closed by a point inspection person.
6. The method for conveniently checking the equipment according to claim 1, wherein: in the A-type equipment, the sintering machine, the mixing machine, the dust remover, the screening equipment, the main exhaust fan and the transformer are required to check whether the main bodies of the devices accumulate dust or not.
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Application publication date: 20210212 |