CN115078018A - Automatic dust detection of clearance uses sampling pump - Google Patents
Automatic dust detection of clearance uses sampling pump Download PDFInfo
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- CN115078018A CN115078018A CN202210996728.9A CN202210996728A CN115078018A CN 115078018 A CN115078018 A CN 115078018A CN 202210996728 A CN202210996728 A CN 202210996728A CN 115078018 A CN115078018 A CN 115078018A
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- Prior art keywords
- eccentric
- cleaning
- scraping
- sampling pump
- outer cylinder
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- 238000005070 sampling Methods 0.000 title claims abstract description 40
- 239000000428 dust Substances 0.000 title claims abstract description 37
- 238000001514 detection method Methods 0.000 title claims abstract description 23
- 238000007790 scraping Methods 0.000 claims abstract description 89
- 238000004140 cleaning Methods 0.000 claims abstract description 51
- 238000009434 installation Methods 0.000 claims abstract description 8
- 239000002699 waste material Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 9
- 239000013013 elastic material Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 2
- 241000208125 Nicotiana Species 0.000 abstract description 2
- 235000002637 Nicotiana tabacum Nutrition 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
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- B08B1/165—
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- B08B1/20—
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- B08B1/50—
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/356—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/02—Pumps characterised by combination with or adaptation to specific driving engines or motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/20—Rotors
Abstract
The invention relates to the field of dust detection, in particular to an automatic-cleaning sampling pump for dust detection. The problems to be solved are that: the existing sampling pump has the advantages that in the environment containing tobacco tar, the scraper is easy to bond oil stains, the sliding is blocked, the air suction amount and the air outlet amount are greatly reduced, and dust easily enters the sampling pump from the air inlet nozzle and the air outlet nozzle. The technical scheme is as follows: an automatic cleaning sampling pump for dust detection comprises an installation underframe, an outer cylinder and the like; the outer cylinder body is arranged on the upper surface of the mounting underframe through the supporting plate. According to the invention, the air outlet nozzle and the air inlet nozzle are protected from dust through the dust cover, dust is prevented from entering the equipment and being accumulated, then oil stains adhered to the side surface of the scraping blade are scraped off through mutual matching of the scraping plate and the top plate, the sliding smoothness of the scraping blade is improved, meanwhile, the oil stains adhered to the inner wall of the eccentric cavity are scraped off through the edge surface of the scraping blade, and then the oil stains are collected through the collector.
Description
Technical Field
The invention relates to the field of dust detection, in particular to an automatic-cleaning sampling pump for dust detection.
Background
When carrying out the pollutant monitoring to gas, need sample gas, and then carry out the analysis to pollutant content in the gas, the pollutant generally is solid particle thing, like PM2.5 or PM10 dust particle, therefore, in the monitoring process, the sampling pump generally needs to be used, current sampling pump generally comprises suction nozzle, go out the mouth, including a motor, an eccentric chamber, rotor and two doctor-bars, through motor drive rotor at eccentric intracavity eccentric rotation, make through centrifugal force and form the suction chamber and go out the gas cavity between two doctor-bars and the eccentric chamber, and then realize inhaling and discharging to detecting gas, in this process, the sampling pump is synchronous to sampling the solid particle thing that needs to detect in the gas. But when service environment is abominable, when containing the oil smoke in the environment, will bond a large amount of oil stains on doctor-bar and the eccentric chamber, if not in time clear up, lead to the doctor-bar to slide obstructed, the air intake with go out the air output and descend by a wide margin, even direct unable work, and then influence gaseous sampling, under the condition that the sampling pump does not use in addition, suction nozzle and air outlet nozzle do not seal, lead to the inside dust of piling up easily of sampling pump, influence the testing result.
Disclosure of Invention
The invention provides an automatic cleaning sampling pump for dust detection, which aims to overcome the defects that in an environment containing tobacco tar, a scraper is easy to adhere oil stains, sliding is blocked, the air suction amount and the air outlet amount are greatly reduced, and dust is easy to enter the sampling pump from an air inlet nozzle and an air outlet nozzle.
The technical scheme is as follows: an automatically cleaned sampling pump for dust detection comprises an installation underframe, an outer cylinder body, an end cover, a connecting flange, an air outlet nozzle, an air inlet nozzle, a pump body, a pump cover, an air outlet pipe, an air inlet pipe and an eccentric assembly; the upper surface of the mounting underframe is provided with an outer cylinder body through a supporting plate; the upper surface of the mounting underframe is provided with an eccentric component for air suction and air outlet; the eccentric component is connected with the outer cylinder body; an end cover is arranged on the upper surface of the outer cylinder body; the end cover is fixedly connected with a connecting flange; an air outlet nozzle is arranged on the front side of the connecting flange; an air inlet nozzle is arranged at the rear side of the connecting flange; the left part of the lower side of the outer cylinder body is communicated with an air outlet pipe and an air inlet pipe; a pump body is arranged between the air outlet pipe and the air inlet pipe; the left side of the pump body is connected with a pump cover; also comprises a collecting component and a cleaning component; a collecting component for collecting oily sticky substances is arranged at the lower part of the right side of the outer cylinder body; the eccentric component is provided with a cleaning component for cleaning oily stickies.
As a preferred technical scheme of the invention, the inner side of the outer cylinder body is provided with an eccentric cavity.
As a preferred technical scheme of the invention, the eccentric assembly comprises a servo motor, a central rotating shaft, an eccentric cylinder, a scraping blade and a first elastic piece; a servo motor is arranged in the middle of the upper surface of the mounting underframe; the output end of the servo motor is fixedly connected with a central rotating shaft, and the central rotating shaft penetrates through the bottom of the outer cylinder; the outer surface of the central rotating shaft is provided with an eccentric cylinder, and the lower surface of the eccentric cylinder is contacted with the lower surface of the inner side of the outer cylinder; the eccentric cylinder is provided with two Y-shaped notches which are symmetrical about the axis center of the eccentric cylinder, and two first elastic pieces are arranged in the two Y-shaped notches; two scraping pieces are respectively arranged at the two Y-shaped notches and are respectively and fixedly connected with the adjacent first elastic pieces.
As a preferred technical scheme of the invention, the inner surface of the outer cylinder body is provided with a first cleaning cavity and three second cleaning cavities, and the widths of the first cleaning cavity and the three second cleaning cavities are smaller than the thickness of the scraping blade.
As a preferable technical scheme of the invention, the edges of the first cleaning cavity and the three second cleaning cavities are provided with sawtooth-shaped scraping blocks.
As a preferred technical scheme of the invention, the collecting assembly comprises a collector, a waste discharge pipe and a liquid inlet pipe; a collector is arranged at the right part of the lower side of the outer cylinder body, and a proper amount of cleaning solution is arranged in the collector; the lower side of the collector is communicated with a waste discharge pipe; the upper side of the collector is communicated with a liquid inlet pipe.
As a preferred technical scheme of the invention, the cleaning assembly comprises an H-shaped sliding block, a third elastic piece, a connecting rope, a scraping plate and a top plate; two sliding grooves are respectively formed in the two Y-shaped notches of the eccentric cylinder body, and an H-shaped sliding block is respectively arranged in each sliding groove in a sliding manner; the four H-shaped sliding blocks are respectively connected with two connecting ropes; the two Y-shaped notches of the eccentric cylinder are fixedly connected with a plurality of scraping plates and a plurality of top plates respectively, the scraping plates are positioned on the left side surface and the right side surface of the adjacent scraping plates respectively, and each top plate limits one side of one scraping plate, which is far away from the adjacent H-shaped sliding block; each connecting rope is respectively connected with all the scraping plates on the same side; and a third elastic element is respectively arranged between the four H-shaped sliding blocks and the Y-shaped notch of the eccentric cylinder body.
As a preferable technical scheme of the invention, the outer edges of the scrapers are inclined towards the center of the eccentric cylinder, and the scrapers are made of elastic materials.
As a preferred technical scheme of the invention, the device also comprises a second elastic piece and a dredger; three second elastic pieces are arranged on the lower side of the eccentric cylinder; and a dredging device is fixedly connected to each of the three second elastic parts.
As a preferable technical scheme of the invention, the lower surface of the dredger is provided with hard bristles with deformation capacity.
Compared with the prior art, the invention has the following advantages: the invention realizes the dustproof protection of the air outlet nozzle and the air inlet nozzle by arranging the dustproof cover which can automatically turn over, prevents dust from entering the equipment and causing the problem of accumulation, and improves the convenience;
then the scraping plate is matched with the top plate, oil stains adhered to the side face of the scraping plate are scraped off, the sliding smoothness of the scraping plate is improved, only when the scraping plate slides out of the Y-shaped notch, the oil stains on the scraping plate are scraped through the scraping plate, the scraped oil stains are gathered in the area, located in the Y-shaped notch, of the surface of the scraping plate, the scraped oil stains are not gathered on one side, close to the outer barrel, of the surface of the scraping plate, and the problem that the movement of the scraping plate on the inner wall of the outer barrel is influenced due to the fact that a large amount of oil stains are thrown to the contact position of the scraping plate and the outer barrel is avoided;
simultaneously, the edge face of the scraping blade scrapes off oil stains adhered to the inner wall of the eccentric cavity, then the oil stains are collected through the collector, and the whole oil stains at the edge of the scraping blade are cut through the saw-tooth-shaped scraping block, so that the whole oil stains are cut into multiple sections for collection, and the scraping blade is synchronously prevented from being clamped while residual oil stains scraped from the edge face of the scraping blade are scraped and collected;
and utilize the dredge, carry out the mediation in step to outlet duct and intake pipe, pop out the auto-feed through stiff bristle and get into the intercommunication position, carry out simple dispersion mediation to the oil stain of outlet duct and eccentric chamber, intake pipe and eccentric chamber department, prevent to take place to block up in the sampling process, influence normal sample.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a exploded view of the present invention;
FIG. 4 is a first perspective view of the eccentric assembly of the present invention;
FIG. 5 is a second perspective view of the eccentric assembly of the present invention;
FIG. 6 is a first partial cross-sectional view of the present invention;
FIG. 7 is an enlarged view of area A of the present invention;
FIG. 8 is a perspective view of the outer cylinder of the present invention;
FIG. 9 is a perspective view of a first portion of the outer barrel of the present invention;
FIG. 10 is a perspective view of a second portion of the outer barrel of the present invention;
FIG. 11 is a second partial cross-sectional view of the present invention;
fig. 12 is a third partial cross-sectional view of the present invention.
Wherein: 1-installation chassis, 2-outer cylinder, 201-eccentric cavity, 202-first cleaning cavity, 203-second cleaning cavity, 204-air outlet cavity, 205-air inlet cavity, 206-sawtooth scraping block, 3-end cover, 4-connecting flange, 5-air outlet nozzle, 6-air inlet nozzle, 7-dust cap, 8-pump body, 9-pump cover, 10-air outlet pipe, 11-servo motor, 12-collector, 13-waste discharge pipe, 14-liquid inlet pipe, 15-central rotating shaft, 16-eccentric cylinder, 17-scraping blade, 18-first elastic part, 19-second elastic part, 20-dredger, 21-H-shaped slide block, 22-third elastic part, 23-connecting rope, 24-scraping blade, 25-top plate, 26-air inlet pipe.
Detailed Description
The invention is described in detail below with reference to the drawings and specific examples, but the invention is not limited thereto.
Examples
An automatic cleaning sampling pump for dust detection is shown in figures 1-12 and comprises a mounting underframe 1, an outer cylinder 2, an end cover 3, a connecting flange 4, an air outlet nozzle 5, an air inlet nozzle 6, a pump body 8, a pump cover 9, an air outlet pipe 10, an air inlet pipe 26 and an eccentric assembly; the upper surface of the installation underframe 1 is provided with an outer cylinder 2 through a supporting plate; the upper surface of the installation underframe 1 is provided with an eccentric component; the eccentric component is connected with the outer cylinder body 2; the upper surface of the outer cylinder body 2 is provided with an end cover 3; the end cover 3 is connected with a connecting flange 4 through a bolt; an air outlet nozzle 5 is arranged on the front side of the connecting flange 4; the rear side of the connecting flange 4 is provided with an air inlet nozzle 6; the left part of the lower side of the outer cylinder body 2 is communicated with an air outlet pipe 10 and an air inlet pipe 26; a pump body 8 is arranged between the air outlet pipe 10 and the air inlet pipe 26; the left side of the pump body 8 is connected with a pump cover 9;
also comprises a collecting component and a cleaning component; the lower part of the right side of the outer cylinder body 2 is provided with a collecting component; the eccentric assembly is provided with a cleaning assembly.
An eccentric cavity 201 is arranged on the inner side of the outer cylinder 2.
The eccentric component comprises a servo motor 11, a central rotating shaft 15, an eccentric cylinder 16, a scraping blade 17 and a first elastic element 18; a servo motor 11 is arranged in the middle of the upper surface of the installation underframe 1; the output end of the servo motor 11 is fixedly connected with a central rotating shaft 15, and the central rotating shaft 15 penetrates through the bottom of the outer cylinder 2; the outer surface of the central rotating shaft 15 is provided with an eccentric cylinder 16, and the lower surface of the eccentric cylinder 16 is contacted with the lower surface of the inner side of the outer cylinder 2; the eccentric cylinder 16 is provided with two Y-shaped notches which are symmetrical about the center of the axis of the eccentric cylinder 16, and two first elastic parts 18 are arranged in the two Y-shaped notches; two scraping blades 17 are respectively arranged at the two Y-shaped notches, and the two scraping blades 17 are respectively fixedly connected with the adjacent first elastic pieces 18; through eccentric rotation of the eccentric cylinder 16 in the eccentric cavity 201, the two scraping blades 17, the eccentric cavity 201 and the eccentric cylinder 16 are matched with each other to form an air outlet cavity 204 and an air inlet cavity 205 respectively, so that air outlet and air suction are realized, and dust sampling work in the environment is completed.
The first elastic member 18 is a spring.
The inner surface of the outer cylinder 2 is provided with a first cleaning cavity 202 and three second cleaning cavities 203, and the widths of the first cleaning cavity 202 and the three second cleaning cavities 203 are smaller than the thickness of the scraping blade 17.
The edges of the first cleaning cavity 202 and the three second cleaning cavities 203 are provided with saw-tooth-shaped scraping blocks 206.
The collecting component comprises a collector 12, a waste discharge pipe 13 and a liquid inlet pipe 14; a collector 12 for collecting scraped oily sticky matters is arranged at the right part of the lower side of the outer cylinder body 2, and a proper amount of cleaning solution is arranged in the collector 12; a waste discharge pipe 13 for discharging waste liquid is communicated with the lower side of the collector 12; the collector 12 is connected with a liquid inlet pipe 14 for adding cleaning liquid.
The cleaning component comprises an H-shaped sliding block 21, a third elastic piece 22, a connecting rope 23, a scraping plate 24 and a top plate 25; two sliding grooves are respectively arranged in the two Y-shaped notches of the eccentric cylinder 16, and an H-shaped sliding block 21 is respectively arranged in each sliding groove in a sliding manner; the four H-shaped sliding blocks 21 are respectively connected with two connecting ropes 23; a plurality of scrapers 24 and a plurality of top plates 25 are fixedly connected to two Y-shaped notches of the eccentric cylinder 16 respectively, the scrapers 24 are located on the left side surface and the right side surface of the adjacent scraper 17 respectively, and each top plate 25 limits one side of one scraper 24 away from the adjacent H-shaped sliding block 21; each connecting rope 23 is respectively connected with all the scrapers 24 on the same side; a third elastic element 22 is respectively arranged between the four H-shaped sliders 21 and the Y-shaped notch of the eccentric cylinder 16.
The third elastic member 22 is a spring.
The outer edges of the scrapers 24 are inclined toward the center of the eccentric cylinder 16, and the scrapers 24 are made of an elastic material.
Also comprises a dust cover 7; the air outlet nozzle 5 and the air inlet nozzle 6 are respectively hinged with a dustproof cover 7 through a torsion spring rotating shaft.
The device also comprises a second elastic piece 19 and a dredger 20; three second elastic members 19 are arranged on the lower side of the eccentric cylinder 16; a dredger 20 is fixedly connected to each of the three second elastic members 19; dredge the communicating part of the air outlet pipe 10 and the outer cylinder body 2, and the air inlet pipe 26 and the outer cylinder body 2 through the dredge device 20, and prevent blockage.
The second elastic member 19 is a spring.
The lower surface of the dredger 20 is provided with hard bristles having deformation capacity.
When the air dust concentration in the environment is sampled, the whole sampling device is fixed in the environment to be detected, then the servo motor 11 is controlled to start working, the servo motor 11 drives the central rotating shaft 15 to rotate clockwise, then the central rotating shaft 15 synchronously drives the eccentric cylinder 16 to rotate clockwise, then the eccentric cylinder 16 further drives the two scraping blades 17 to rotate clockwise, when the two scraping blades 17 rotate clockwise, because the central point of the eccentric cylinder 16 and the central point of the eccentric cavity 201 arranged in the outer cylinder 2 are not on the same axis, when the eccentric cylinder 16 and the two scraping blades 17 rotate clockwise, the two scraping blades 17, the eccentric cylinder 16 and the eccentric cavity 201 are matched with each other to respectively form an air outlet cavity 204 and an air inlet cavity 205, namely, the volume of the air inlet cavity 205 is increased through the mutual matching of the scraping blades 17, the eccentric cylinder 16 and the eccentric cavity 201 at the air inlet cavity 205, make its inside atmospheric pressure reduce, and then with the gaseous suction in the environment in the chamber 205 of admitting air, then enter into the pump body 8 through intake pipe 26, and then sample the dust of air in to the environment through the pump body 8, so that follow-up detection, the air through pump body 8 processing discharges into the air outlet chamber 204 through outlet duct 10 again, meanwhile, go out the doctor-bar 17 of air outlet chamber 204 department, eccentric barrel 16 and eccentric chamber 201 are mutually supported, make the volume of air outlet chamber 204 reduce, make its inside atmospheric pressure increase, and then make the gaseous chamber 204 of giving vent to anger through outlet duct 204 of pump body 8 processing, then discharge to the environment from outlet duct 10 again, and then accomplish whole dust detection's sampling work.
In the sampling environment, when the oil smoke concentration is high, oil stains are easily adhered to the inner walls of the two scraping pieces 17 and the eccentric cavity 201, and the two scraping pieces 17 cannot slide smoothly under long-term use, so that the air suction amount and the air discharge amount are greatly reduced, even gas sampling cannot be performed, and gas detection is affected, therefore, in the working process of the two scraping pieces 17 and the eccentric cavity 201, the oil stains adhered to the surfaces of the two scraping pieces 17 and the eccentric cavity 201 need to be scraped off to ensure normal gas sampling, in the initial state, the four first elastic pieces 18 are in a compressed state, when the two scraping pieces 17 rotate eccentrically, the scraping piece 17 located in the air discharge cavity 204 is extruded by the eccentric cavity 201, and the scraping piece 17 located in the air inlet cavity 205 automatically slides out of the corresponding Y-shaped notch on the eccentric cylinder 16 under the action of the elastic force of the two first elastic pieces 18, when the scraping piece 17 is extruded and slides into the Y-shaped notch on the eccentric cylinder 16, or when sliding out of the Y-shaped notch on the eccentric cylinder 16, the oil stains adhered to the side surfaces of the scraping blades 17 are scraped by the plurality of scraping plates 24, and meanwhile, in order to prevent the oil stains scraped from the scraping blades 17 from falling to the position where the eccentric cavity 201 is not in contact with the eccentric cylinder 16, that is, from falling into the air outlet cavity 204 and the air inlet cavity 205, so that the scraping blades 17 are not smoothly rotated, or the air outlet pipe 10 and the air inlet pipe 26 are blocked, therefore, when the scraping blades 17 slide into the Y-shaped notch, the scraping blades 17 synchronously push the adjacent two H-shaped sliders 21, so that the two H-shaped sliders 21 compress the adjacent third elastic members 22, and synchronously pull the adjacent connecting ropes 23, and further pull the adjacent scraping plates 24 through the connecting ropes 23, because the outer edges of the scraping plates 24 are all inclined toward the center of the eccentric cylinder 16, and the scraping plates 24 are made of an elastic material, further the outer edges of the adjacent scraping plates 24 are deformed, i.e., when the wiper blade 17 slides into the Y-shaped notch, the wiper blade 24 deforms, and does not contact the side of the wiper blade 17, thereby not scraping oil stains on the surface of the air outlet cavity, preventing the oil stains from being directly scraped into the air outlet cavity 204 and the air inlet cavity 205, when the scraping blade 17 slides out of the Y-shaped notch, the outer edge of the scraping blade 24 is limited through a plurality of top plates 25, that is, the outer edge of the scraper 24 is not deformed, and the oil adhered to the side surface of the scraper 17 is scraped off with sufficient force, namely, only when the wiper blade 17 slides out of the Y-shaped notch, the oil stain on the wiper blade 17 is scraped by the scraper 24, so that the scraped oil stain is gathered on the surface of the wiper blade 17 in the area positioned in the Y-shaped notch, and the scraped oil stain can not be gathered on one side of the surface of the scraping blade 17 close to the outer cylinder body 2, so that the problem that the scraping blade 17 moves on the inner wall of the outer cylinder body 2 due to the fact that a large amount of oil stain is thrown to the contact position of the scraping blade 17 and the outer cylinder body 2 is avoided.
When the two scraping blades 17 rotate clockwise, the edge surfaces of the two scraping blades 17 are in contact with the inner wall of the eccentric cavity 201 synchronously, and the oil stains adhered to the inner wall of the eccentric cavity 201 are scraped off by the edge surfaces of the two scraping blades 17, so as to prevent the oil stains scraped by the two scraping blades 17 from affecting normal air suction and air exhaust, and cause the two scraping blades 17 to rotate unsmoothly, therefore, a first cleaning cavity 202 and three second cleaning cavities 203 are arranged on the inner wall of the eccentric cavity 201, the widths of the first cleaning cavity 202 and the three second cleaning cavities 203 are smaller than the thickness of the scraping blades 17, saw-toothed scraping blocks 206 are arranged at the edges of the first cleaning cavity 202 and the three second cleaning cavities 203, as the scraping blades 17 can gather a whole piece of oil stains at the edge of the scraping blades 17 to be unfavorable for intercepting the oil stains, the scraping blades 17 can be clamped, and the whole piece of oil stains at the edge of the scraping blades 17 can be cut by the saw-toothed scraping blocks 206, make a whole piece of oil stain be cut into the multistage branch and collect, and then scrape off the collection when scraping off the residual oil stain of scraping off 17 edge face, prevent simultaneously that doctor-bar 17 from being blocked.
The oil stain that scrapes from eccentric chamber 201 inner wall drops to collector 12 in from eccentric chamber 201 under the impetus of two doctor-blades 17 to proper amount of cleaning solution has been put in collector 12, and then decomposes the oil stain, prevents that it from blockking up and arranging waste pipe 13 and feed liquor pipe 14, and the manual work only need regularly with the cleaning solution after using in collector 12 from arranging waste pipe 13 and discharging, then the rethread feed liquor pipe 14 interpolation again can.
Further, in order to prevent outlet duct 10 and eccentric chamber 201, the intercommunication position of intake pipe 26 and eccentric chamber 201 is blockked up by the oil stain, therefore, when eccentric barrel 16 clockwise rotates, drive three second elastic component 19 clockwise in step, and then drive three dredge 20 clockwise through three second elastic component 19 and rotate, because dredge 20 lower surface is provided with a plurality of stiff bristle that have deformability, and then when dredge 20 passes through outlet duct 10 and eccentric chamber 201, intake pipe 26 and the intercommunication position of eccentric chamber 201, through the automatic pop-up entering intercommunication position of stiff bristle, to outlet duct 10 and eccentric chamber 201, the oil stain of inlet duct 26 and eccentric chamber 201 department carries out simple dispersion mediation, prevent that it from taking place the jam.
After sampling equipment used a certain time, need clear up its inside remaining oil stain, promptly through adding the cleaning solution to giving vent to anger mouth 5 and suction nozzle 6 in, then control eccentric barrel 16 and rotate to the realization is to the inside cleanness of whole sampling equipment, the waste liquid at last through arrange waste pipe 13 discharge can.
Under the inoperative condition of sampling equipment, in order to prevent that the dust from entering into the inside dust that piles up of sampling equipment through giving vent to anger mouth 5 and suction nozzle 6, consequently, it is airtight with giving vent to anger mouth 5 and suction nozzle 6 through two shield 7, prevent that the dust from entering into inside the sampling equipment, when the check out test set during operation, then under the effect of atmospheric pressure difference, make two shield 7 automatic rotate round the torsion spring pivot, make gas smoothly from the suction nozzle 6 entering, perhaps discharge from giving vent to anger mouth 5.
It should be understood that the above description is for exemplary purposes only and is not meant to limit the present invention. Those skilled in the art will appreciate that variations of the present invention are intended to be included within the scope of the claims herein.
Claims (10)
1. An automatic-cleaning sampling pump for dust detection comprises an installation underframe (1), an outer cylinder (2), an end cover (3), a connecting flange (4), an air outlet nozzle (5), an air inlet nozzle (6), a pump body (8), a pump cover (9), an air outlet pipe (10), an air inlet pipe (26) and an eccentric assembly; the upper surface of the installation underframe (1) is provided with an outer cylinder (2) through a support plate; the upper surface of the mounting underframe (1) is provided with an eccentric component for air suction and air outlet; the eccentric component is connected with the outer cylinder body (2); an end cover (3) is arranged on the upper surface of the outer cylinder body (2); the end cover (3) is fixedly connected with a connecting flange (4); an air outlet nozzle (5) is arranged on the front side of the connecting flange (4); an air inlet nozzle (6) is arranged at the rear side of the connecting flange (4); the left part of the lower side of the outer cylinder body (2) is communicated with an air outlet pipe (10) and an air inlet pipe (26); a pump body (8) is arranged between the air outlet pipe (10) and the air inlet pipe (26); the left side of the pump body (8) is connected with a pump cover (9); it is characterized by also comprising a collecting component and a cleaning component; a collecting component for collecting oily sticky substances is arranged at the lower part of the right side of the outer cylinder body (2); the eccentric component is provided with a cleaning component for cleaning oily stickies.
2. An automatic cleaning sampling pump for dust detection as claimed in claim 1, characterized in that the inner side of the outer cylinder (2) is provided with an eccentric cavity (201).
3. The automatic dust detection who clears up uses sampling pump according to claim 1, characterized in that, eccentric subassembly includes servo motor (11), central pivot (15), eccentric barrel (16), doctor-blade (17) and first elastic component (18); a servo motor (11) is arranged in the middle of the upper surface of the mounting underframe (1); the output end of the servo motor (11) is fixedly connected with a central rotating shaft (15), and the central rotating shaft (15) penetrates through the bottom of the outer cylinder body (2); an eccentric cylinder (16) is arranged on the outer surface of the central rotating shaft (15), and the lower surface of the eccentric cylinder (16) is in contact with the lower surface of the inner side of the outer cylinder (2); two Y-shaped notches which are symmetrical about the center of the axis of the eccentric cylinder (16) are formed in the eccentric cylinder (16), and two first elastic parts (18) are arranged in the two Y-shaped notches; two scraping blades (17) are respectively arranged at the two Y-shaped notches, and the two scraping blades (17) are respectively and fixedly connected with the adjacent first elastic pieces (18).
4. The automatic dust detection who clears up uses sampling pump according to claim 3, characterized by, that the outer barrel (2) internal surface is seted up first clean chamber (202) and three second clean chamber (203), and the width in first clean chamber (202) and three second clean chamber (203) is all less than the thickness of doctor-blade (17).
5. The automatic-cleaning sampling pump for dust detection of claim 4, wherein the first cleaning chamber (202) and the three second cleaning chambers (203) are provided with saw-tooth-shaped scraping blocks (206) at the edges.
6. The automatic dust detection who clears up of claim 2 is with sampling pump, characterized by, that the collection subassembly includes collector (12), arranges waste pipe (13) and feed liquor pipe (14); a collector (12) is arranged at the right part of the lower side of the outer cylinder body (2), and a proper amount of cleaning solution is arranged in the collector (12); a waste discharge pipe (13) is communicated with the lower side of the collector (12); the upper side of the collector (12) is communicated with a liquid inlet pipe (14).
7. The automatically cleaned sampling pump for dust detection according to claim 3, wherein the cleaning assembly comprises an H-shaped slider (21), a third elastic member (22), a connecting rope (23), a scraper (24) and a top plate (25); two sliding grooves are respectively formed in two Y-shaped notches of the eccentric cylinder body (16), and an H-shaped sliding block (21) is respectively arranged in each sliding groove in a sliding manner; two connecting ropes (23) are respectively connected to the four H-shaped sliding blocks (21); a plurality of scraping plates (24) and a plurality of top plates (25) are fixedly connected to two Y-shaped notches of the eccentric cylinder body (16), the scraping plates (24) are respectively positioned on the left side surface and the right side surface of the adjacent scraping plate (17), and each top plate (25) respectively limits one side, far away from the adjacent H-shaped sliding block (21), of one scraping plate (24); each connecting rope (23) is respectively connected with all the scrapers (24) on the same side; and a third elastic part (22) is respectively arranged between the four H-shaped sliding blocks (21) and the Y-shaped notch of the eccentric cylinder body (16).
8. An automatic cleaning sampling pump for dust detection as claimed in claim 7, characterized in that the outer edges of the scrapers (24) are inclined to approach the center of the eccentric cylinder (16), and the scrapers (24) are made of elastic material.
9. The self-cleaning sampling pump for dust detection according to claim 3, further comprising a second elastic member (19) and a dredger (20); three second elastic pieces (19) are arranged on the lower side of the eccentric cylinder body (16); a dredging device (20) is fixedly connected to each of the three second elastic pieces (19).
10. The self-cleaning sampling pump for dust detection according to claim 9, wherein the lower surface of the dredger (20) is provided with hard bristles having a deformation capability.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210996728.9A CN115078018B (en) | 2022-08-19 | 2022-08-19 | Automatic dust detection of clearance uses sampling pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210996728.9A CN115078018B (en) | 2022-08-19 | 2022-08-19 | Automatic dust detection of clearance uses sampling pump |
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| CN115078018A true CN115078018A (en) | 2022-09-20 |
| CN115078018B CN115078018B (en) | 2022-11-18 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003065268A (en) * | 2001-08-30 | 2003-03-05 | Mitsubishi Materials Silicon Corp | Water-sealed type vacuum pump of inert gas exhaust system for monocrystal pulling machine |
| CN204177640U (en) * | 2014-09-17 | 2015-02-25 | 山东天元盈康检测评价技术有限公司 | A kind of explosion-proof atmospheric sampling instrument |
| CN205908463U (en) * | 2016-08-24 | 2017-01-25 | 上海广韩真空科技有限公司 | Vacuum pump with filtering capability |
| CN109406225A (en) * | 2018-12-12 | 2019-03-01 | 青岛海颐天仪器有限公司 | The vacuum sampling pump acquired for flue gas in atmosphere and particulate matter |
| CN210128878U (en) * | 2018-12-05 | 2020-03-06 | 张家港朗亿机电设备有限公司 | Miniature dust sampling pump |
-
2022
- 2022-08-19 CN CN202210996728.9A patent/CN115078018B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003065268A (en) * | 2001-08-30 | 2003-03-05 | Mitsubishi Materials Silicon Corp | Water-sealed type vacuum pump of inert gas exhaust system for monocrystal pulling machine |
| CN204177640U (en) * | 2014-09-17 | 2015-02-25 | 山东天元盈康检测评价技术有限公司 | A kind of explosion-proof atmospheric sampling instrument |
| CN205908463U (en) * | 2016-08-24 | 2017-01-25 | 上海广韩真空科技有限公司 | Vacuum pump with filtering capability |
| CN210128878U (en) * | 2018-12-05 | 2020-03-06 | 张家港朗亿机电设备有限公司 | Miniature dust sampling pump |
| CN109406225A (en) * | 2018-12-12 | 2019-03-01 | 青岛海颐天仪器有限公司 | The vacuum sampling pump acquired for flue gas in atmosphere and particulate matter |
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| CN115078018B (en) | 2022-11-18 |
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