CN111151035B - Sewage treatment prevents disturbance scraping equipment - Google Patents
Sewage treatment prevents disturbance scraping equipment Download PDFInfo
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- CN111151035B CN111151035B CN202010184807.0A CN202010184807A CN111151035B CN 111151035 B CN111151035 B CN 111151035B CN 202010184807 A CN202010184807 A CN 202010184807A CN 111151035 B CN111151035 B CN 111151035B
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- scraping
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- sedimentation
- supporting plates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
- B01D21/04—Settling tanks with single outlets for the separated liquid with moving scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0039—Settling tanks provided with contact surfaces, e.g. baffles, particles
- B01D21/0042—Baffles or guide plates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0096—Safety mechanisms specially adapted for settling tanks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
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- Removal Of Floating Material (AREA)
Abstract
The invention belongs to the technical field of hydraulic pressure, and particularly relates to disturbance-prevention scraping equipment for sewage treatment, which comprises a settling channel and scraping units which are uniformly distributed in the settling channel, wherein a designed scraping mechanism is provided with arc-shaped supporting plates, the upper ends of the two supporting plates in the same scraping unit are smoothly transited without swinging upwards or after swinging upwards, so that the sewage in the settling channel can be ensured to stably flow over a transitional arc-shaped surface formed by the two supporting plates in the forward scraping or resetting process of the scraping unit, the sewage at the upper side part can stably flow over the transitional arc-shaped surface formed by the two supporting plates, the invention also provides a flow stabilizing plate, the sewage at the lower side part can flow over the lower sides of the two flow stabilizing plates in the scraping unit in the resetting process of the scraping unit, the two flow stabilizing plates are driven and adjusted when the scraping mechanism is reset and are parallel to the scraping bottom surface of the settling channel, and the sewage at the lower side stably flows over, the disturbance degree of the scraping mechanism to the sewage in the settling tank in the forward scraping or resetting process is reduced.
Description
Technical Field
The invention belongs to the technical field of hydraulic pressure, and particularly relates to anti-disturbance scraping equipment for sewage treatment.
Background
Sewage treatment is a process of purifying sewage to meet the requirement of discharging the sewage into a certain water body or reusing the sewage, is widely applied to various fields of buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and increasingly enters the daily life of common people.
The settling channel is a structure for removing suspended matters in sewage by applying the settling action. Settling ponds are widely used in wastewater treatment. Deposit ditch bottom long-time through deposiing, need regularly strike off bottom sediment, strike off and deposit the ditch, later take out through the sludge pump, but traditional striking off mechanism often has the disturbance effect to the water of bottom in the pond scraping the in-process, influences the precipitation effect in pond.
The invention designs a scraping mechanism which does not disturb a water tank and does not influence sediment in the scraping process, and solves the problems.
Disclosure of Invention
In order to solve the defects in the prior art, the invention discloses an anti-disturbance scraping device for sewage treatment, which is realized by adopting the following technical scheme.
The utility model provides a sewage treatment's disturbance of preventing strikes off equipment, it includes the precipitation ditch, installs evenly distributed's in the precipitation ditch unit of striking off, its characterized in that: one end of the sedimentation groove is provided with a scraping bottom surface, and the other end of the sedimentation groove is provided with a sedimentation pit; the scraping bottom surface is used for precipitating impurities in the sewage, and part of the impurities in the sewage can be precipitated on the scraping bottom surface in the flowing process of the sewage; the settling pit is used for collecting settling impurities; when the designated sundries cleaning time is up, scraping the sediments on the scraped bottom surface by controlling a scraping unit arranged in the sedimentation groove, and scraping the sundries precipitated on the precipitated bottom surface into a sedimentation pit for uniform treatment; in the process of scraping impurities, sewage in the sedimentation groove continuously flows in and out, and continuous sedimentation cannot be influenced; the scraping unit comprises a scraping plate, supporting plates and a flow stabilizing plate, wherein the supporting plates are arc-shaped, the lower ends of the supporting plates are provided with arc-shaped sliding grooves, and the upper ends of the two supporting plates are symmetrically arranged in the sedimentation groove in a sliding fit manner; the upper ends of the two scraping plates are correspondingly arranged at the lower ends of the two supporting plates one by one through sliding fit with the sliding grooves formed in the two supporting plates, and the lower ends of the two scraping plates are lower than the corresponding supporting plates after extending out; the lower ends of the two supporting plates are hinged with a flow stabilizing plate through a third rotating shaft, the other ends of the two flow stabilizing plates are hinged with each other through a supporting shaft, and the two ends of the supporting shaft are in sliding fit with the settling channel; the two supporting plates swing relative to the two stabilizing plates to control the sliding of the scraping plate in the supporting plates through gear transmission.
The lower end of the scraper blade designed by the invention has elasticity, when the scraping unit is driven to scrape deposited sundries forwards in the direction of the sedimentation pit, the lower end of the scraper blade tightly presses the scraping bottom surface of the sedimentation groove, and a certain pressure is provided between the scraper blade and the bottom surface, so that the scraping effect of the scraper blade on the deposited sundries is ensured. The supporting plates designed by the invention are arc-shaped, and the upper ends of the two supporting plates in the same scraping unit are in smooth transition before or after upward swinging, so that the sewage in the settling channel can stably flow through the transition arc-shaped surface formed by the two supporting plates in the forward scraping or resetting process of the scraping unit, and the disturbance degree of the scraping mechanism on the sewage in the settling channel in the forward scraping or resetting process is reduced. The reason why the lower ends of the two scrapers are lower than the corresponding supporting plates after extending out is that the lower ends of the supporting plates are prevented from contacting with the scraping bottom surface of the sedimentation groove and interfering with the scraping bottom surface of the scraping groove to influence the contact extrusion of the scrapers and the scraping bottom surface in the process that the scraping unit scrapes forwards in the direction of the sedimentation pit; when the scraping unit is driven to scrape deposited impurities forwards in the direction of the depositing pit, the lower end of the scraping plate tightly presses the scraping bottom surface of the depositing groove, and a certain gap is reserved between the lower end of the corresponding supporting plate and the scraping bottom surface to ensure that the scraping plate and the scraping bottom surface have enough pressure.
Although the upper ends of the two supporting plates designed in the same scraping unit are in arc-shaped smooth transition, in order to prevent the two supporting plates from interfering when swinging, a small gap is formed at the joint of the upper ends of the two supporting plates of the scraping unit designed in the invention, and when the supporting plates are driven to swing upwards, the two scraping plates can be prevented from interfering through the gap; when the scraping unit is driven to scrape forwards, the two flow stabilizing plates in the scraping unit are surrounded by the two supporting plates and the two scraping plates, and the two flow stabilizing plates cannot influence the scraping of the scraping unit on deposited sundries; when the unit resets backward is scraped in the drive, at first can control two backup pads and go up the pendulum, two stabilizer swings will be driven to two backup pads on the pendulum, make two stabilizer swings to strike off the bottom surface parallel with the precipitation ditch, the reason of design like this is, sewage in the precipitation ditch is scraping the unit in-process that resets, the downside part sewage can flow through from the downside that strikes off two stabilizers in the unit, and two stabilizers are parallel with the bottom surface of striking off of precipitation ditch, downside sewage flows through steadily, can not be between two arc backup pads pitch arc turbulent flow phenomenon, the disturbance degree of scraping mechanism sewage in the in to the precipitation ditch has been reduced.
The upper side of the sedimentation groove is fixedly provided with a motor, and the motor firstly controls the supporting plates in all scraping units to swing downwards through a driving mechanism; the lower pendulum of the supporting plate drives the lower end of the scraper arranged on the supporting plate to be in extrusion contact with the scraping bottom surface of the sedimentation groove; then the driving mechanism controls a scraping unit arranged in the sedimentation groove to scrape forwards towards the direction of a sedimentation pit in the sedimentation groove; the sediment on the scraping bottom surface in the sedimentation groove is scraped to move forwards; and finally, the driving mechanism controls the scraping units arranged in the sedimentation ditch to reset backwards in a direction back to the sedimentation pit in the sedimentation ditch.
In the working process, the support plate, the scraper and the flow stabilizing plate alternately run in a reciprocating mode, and sediment in the sedimentation ditch is intermittently pushed forwards and finally collected in a sedimentation pit in the sedimentation ditch.
As a further improvement of the technology, two through first guide grooves are symmetrically formed at two ends of the sedimentation groove, two through second guide grooves are symmetrically formed at two ends of the sedimentation groove, and the two second guide grooves are positioned at the lower sides of the two first guide grooves.
The upper ends of the supporting plates are provided with rotating shafts, and the two supporting plates are symmetrically arranged in the sedimentation groove through the sliding fit of the corresponding rotating shafts and the two first guide grooves formed in the sedimentation groove; two ends of the supporting shaft hinged with the two flow stabilizing plates are in sliding fit with the two second guide grooves formed in the sedimentation groove.
As a further improvement of the technology, two ends of the two rotating shafts arranged on the two supporting plates penetrate through two first guide grooves formed in the sedimentation groove and are in transmission connection with the driving mechanism.
Two ends of the transmission rotating shaft respectively penetrate through two side surfaces of the precipitation groove and are connected with two driving mechanisms on two sides of the precipitation groove.
The driving mechanism comprises a first driving strip, a second driving strip, a slider-crank mechanism, a first driving block, a second driving block and a second slider, wherein the second driving strip is arranged on one side of the sedimentation groove in a sliding fit manner, and the second driving strip is rotatably connected with one end corresponding to a rotating shaft penetrating out of the sedimentation groove; the second driving strip is connected with one end, corresponding to the supporting shaft, penetrating out of the settling channel in a vertically sliding fit manner; the first driving strip is arranged on the second driving strip in a sliding fit manner; the first driving strip is connected with the transmission rotating shaft through a crank slider mechanism, moves relative to the second driving strip and controls the swinging of a supporting plate in the scraping unit through the transmission of a gear and a rack; the first driving block and the second driving block are arranged on the first driving strip; the second sliding block is arranged on the second driving strip and matched with the first driving block and the second driving block; the first driving block and the second driving block are respectively positioned at two sides of the second sliding block.
As a further improvement of the technology, the crank-slider mechanism comprises a crank, a connecting rod and a first slider, wherein one end of the crank is fixedly installed on the transmission rotating shaft, the first slider is fixedly installed on the first driving strip, the connecting rod is connected between the first slider and the other end of the crank, and two ends of the connecting rod are respectively connected with the crank and the first slider in a hinged mode.
The first driving block and the second driving block are respectively positioned at two sides of the first sliding block.
When the transmission rotating shaft rotates, the crank is driven to rotate, the crank rotates to drive the connecting rod to swing, the connecting rod swings to drive the first sliding block to slide, and the first sliding block slides to drive the first driving strip to slide; in the sliding process of the first sliding block, after the first driving block or the second driving block arranged on the first driving strip is contacted with the second sliding block arranged on the second driving strip, the first sliding block drives the second sliding block to slide through the first driving block or the second driving block, and the second sliding block drives the second driving strip to slide.
As a further improvement of the technology, the motor is supported and installed on the upper side of the sedimentation groove through the motor, the first rotating shaft is installed on one side of the sedimentation groove through the first support, and the first rotating shaft is connected with an output shaft of the motor; the first gear is fixedly arranged on the first rotating shaft, the second rotating shaft is rotatably arranged on the side surface of the sedimentation groove, the second gear is fixedly arranged at one end of the second rotating shaft, and the second gear is meshed with the first gear; the first chain wheel is fixedly arranged on the transmission rotating shaft, and the first chain wheel is connected with the second chain wheel through a chain; the motor works to drive the first rotating shaft to rotate, the first rotating shaft rotates to drive the first gear to rotate, the first gear rotates to drive the second gear to rotate, the second gear rotates to drive the second rotating shaft to rotate, the second rotating shaft rotates to drive the second chain wheel to rotate, the second chain wheel rotates to drive the first chain wheel to rotate through the chain, and the first chain wheel rotates to drive the transmission rotating shaft to rotate.
As a further improvement of the present technology, a plurality of fifth gears are uniformly mounted on the third rotating shaft, teeth are provided on the intrados of the scraper, and the fifth gears mounted on the third rotating shaft are engaged with the teeth on the corresponding scraper. When the flow stabilizing plate swings relative to the corresponding supporting plate, the flow stabilizing plate can drive the third rotating shaft to rotate, the third rotating shaft drives the fifth gear to rotate, and the fifth gear rotates to drive the scraper to stretch into and stretch out. The scraping plate and the supporting plate are designed into telescopic structures, and the lower end of the scraping plate is controlled to completely extend into the arc-shaped groove at the lower end of the supporting plate through the swinging of the supporting plate corresponding to the flow stabilizing plate in the process that the scraping unit is driven to reset, so that the lower end of the scraping plate and the lower end of the flow stabilizing plate are prevented from forming a step in the resetting process of the scraping unit, and the disturbance of the lower side water flow is prevented.
As a further improvement of the technology, a fourth gear is fixedly arranged at one end of the rotating shaft penetrating out of the settling groove, and an adjusting telescopic mechanism is respectively arranged between two fourth gears on the same side in the same scraping unit.
The adjusting telescopic mechanism comprises a telescopic toothed bar, a second spring, a sliding plate and a telescopic outer sleeve, wherein the lower end of the telescopic outer sleeve is arranged on a support shaft penetrating out of the sedimentation channel in a hinged mode, the sliding plate is arranged at the lower end of the telescopic toothed bar, the lower end of the telescopic toothed bar is slidably arranged in the telescopic outer sleeve through the sliding fit of the sliding plate and the telescopic outer sleeve, and a plurality of uniformly distributed second springs are respectively arranged between two ends of the upper end of the sliding plate and two inner end faces of the upper end and the lower end of the telescopic outer sleeve; the upper end of the telescopic rack bar is meshed with the two corresponding fourth gears.
As a further improvement of the present technology, a plurality of racks are uniformly installed on one side of the first driving bar through a connecting block, a third gear is installed on each of two sides of the second driving bar corresponding to each scraping unit, the third gear is engaged with the corresponding rack, the third gear is engaged with one of the two corresponding fourth gears, and when the first driving bar moves towards the resetting direction of the scraping unit relative to the second driving bar, the two corresponding supporting plates swing upwards through the transmission of the third gear and the corresponding fourth gears.
When the first driving strip slides relative to the second driving strip, the first driving strip drives the rack arranged on the first driving strip to slide relative to the second driving strip through the connecting block, the rack slides and drives the third gear arranged on the second driving strip to rotate, the third gear drives the fourth gear meshed with the third gear to rotate, the fourth gear drives the corresponding supporting plate to swing through the rotating shaft, meanwhile, the fourth gear rotates to drive the telescopic rack bar to move downwards, the telescopic rack bar moves downwards to drive the other fourth gear to rotate, the other fourth gear rotates to drive the other supporting plate to swing, meanwhile, the telescopic rack bar drives the telescopic outer sleeve to move downwards through the sliding plate and the second spring, the telescopic outer sleeve moves downwards to drive the two flow stabilizing plates hinged with the telescopic outer sleeve to swing, the two supporting plates can drive one end of the two flow stabilizing plates hinged with the supporting plates to swing, namely, the two ends of the two flow stabilizing plates are respectively driven by the telescopic outer sleeves and the two supporting plates; in order to prevent the two flow stabilizing plates from swinging and interfering due to different driving strokes at two ends in the swinging process, the second spring is designed, the telescopic toothed bar can move relative to the telescopic outer sleeve after a swinging error occurs, so that the second spring arranged in the telescopic outer sleeve is deformed, and the swinging and interference of the two flow stabilizing plates is prevented through the deformation of the second spring.
As a further improvement of the technology, two groups of trapezoidal guide grooves are symmetrically formed in two sides of the sedimentation groove, a trapezoidal guide block is installed on one side of the second driving strip, and the second driving strip is installed on the sedimentation groove through the sliding fit of the trapezoidal guide block on the second driving strip and the trapezoidal guide groove formed in the sedimentation groove.
As a further improvement of the present technique, the first driver blade is mounted on the second driver blade by two guide supports.
In the invention, the second driving strip drives the scraping unit to move, and the resistance of the second driving strip is larger than that of the first driving strip; the size requirement of resistance has guaranteed that relative displacement can take place when first drive strip drive second drive strip, and then the swing of drive support pendulum.
Compared with the traditional hydraulic technology, the hydraulic control system has the following beneficial effects:
1. compared with the traditional scraping mechanism, the height of the scraper designed by the invention is the same as that of the traditional scraper, namely the scraping effect of the scraping mechanism designed by the invention is the same as that of the traditional scraping mechanism.
2. According to the scraping mechanism designed by the invention, the designed supporting plates are arc-shaped, and the upper ends of the two supporting plates in the same scraping unit are in smooth transition before or after being swung upwards, so that the sewage in the settling channel can stably flow through the transition arc-shaped surface formed by the two supporting plates in the forward scraping or resetting process of the scraping unit, and the disturbance degree of the scraping mechanism on the sewage in the settling channel in the forward scraping or resetting process is reduced.
3. The scraping mechanism provided by the invention is provided with the flow stabilizing plates, when sewage in the sedimentation ditch resets the scraping unit, the lower part of the sewage flows through the lower sides of the two flow stabilizing plates in the scraping unit, the two flow stabilizing plates are driven and adjusted when the scraping mechanism resets and are parallel to the scraping bottom surface of the sedimentation ditch, the lower side of the sewage flows stably, the phenomenon of arc turbulent flow between the two arc supporting plates is avoided, and the disturbance degree of the scraping mechanism on the sewage in the sedimentation ditch in the resetting process is reduced.
4. The scraping mechanism designed by the invention is provided with the adjusting telescopic mechanism, when the two ends of the flow stabilizing plate have swing errors in the swinging process of the flow stabilizing plate, the telescopic toothed bar in the adjusting telescopic mechanism moves relative to the telescopic outer sleeve, so that the second spring arranged in the telescopic outer sleeve is deformed, and the swinging interference of the two flow stabilizing plates caused by different driving strokes at the two ends in the swinging process is prevented through the deformation of the second spring.
5. According to the scraping mechanism designed by the invention, when the first driving strip slides relative to the second driving strip, the resistance borne by the second driving strip is larger than that borne by the first driving strip, so that the requirements on the magnitudes of the resistances borne by the first driving strip and the second driving strip are higher.
6. The scraping plate and the supporting plate are designed into telescopic structures, and the lower end of the scraping plate is controlled to completely extend into the arc-shaped groove at the lower end of the supporting plate through the swinging of the supporting plate corresponding to the flow stabilizing plate in the process that the scraping unit is driven to reset, so that the lower end of the scraping plate and the lower end of the flow stabilizing plate are prevented from forming a step in the resetting process of the scraping unit, and the disturbance of the lower side water flow is prevented.
Drawings
Fig. 1 is an external view of an entire part.
FIG. 2 is a schematic view of the structure of a settling channel.
Fig. 3 is a schematic view of the scraper unit connected to the drive mechanism.
Fig. 4 is a schematic view of a scraping unit distribution.
Fig. 5 is a schematic view of the drive mechanism distribution.
Fig. 6 is a schematic view of the driving mechanism.
Fig. 7 is a rack mounting schematic.
Fig. 8 is a schematic view of a second driver strip configuration.
Fig. 9 is a schematic view of a rack arrangement.
Fig. 10 is an external view of the scraping unit.
Fig. 11 is a schematic view of the structure of the scraping unit.
Fig. 12 is a schematic view of the structure of the adjustable telescopic mechanism.
FIG. 13 is a schematic view of a fifth gear and flight engagement.
Fig. 14 is a schematic view of the operation of the scraping unit.
Fig. 15 is a second schematic view of the operation principle of the scraping unit.
Number designation in the figures: 1. a motor; 2. a sedimentation ditch; 3. a scraping unit; 4. a drive mechanism; 5. scraping the bottom surface; 6. a settling pit; 7. a trapezoidal guide groove; 8. a first guide groove; 9. a second guide groove; 10. a rotating shaft; 11. a support shaft; 12. supporting a motor; 13. a first support; 14. a first rotating shaft; 15. a first gear; 16. a second gear; 17. a transmission rotating shaft; 18. a second rotating shaft; 19. a chain; 20. a first chain wheel; 21. a second chain wheel; 22. a first slug; 23. a first driver bar; 24. a second drive bar; 25. a slider-crank mechanism; 26. a second driving block; 27. a crank; 28. a connecting rod; 29. a fifth gear; 30. a third rotating shaft; 31. a guide support; 32. a first slider; 34. a rack; 35. connecting blocks; 36. a second slider; 40. a third gear; 41. a fourth gear; 42. adjusting the telescoping mechanism; 43. a squeegee; 44. a support plate; 45. a flow stabilizer; 46. a telescopic rack bar; 47. a second spring; 48. a slide plate; 49. a telescopic outer sleeve; 50. a trapezoidal guide block.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples or figures are illustrative of the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1, it comprises a settling tank 2, and scraping units 3, as shown in fig. 4, installed in the settling tank 2 and uniformly distributed, and is characterized in that: as shown in fig. 2, one end of the settling channel 2 is provided with a scraping bottom surface 5, and the other end of the settling channel 2 is provided with a settling pit 6; the scraping bottom surface 5 is used for precipitating impurities in the sewage, and a part of the impurities in the sewage can be precipitated on the scraping bottom surface 5 in the flowing process of the sewage; the settling pit 6 is used for collecting settling impurities; when the designated sundries cleaning time is up, scraping the sediments on the scraped bottom surface 5 by controlling the scraping unit 3 arranged in the sedimentation groove 2, and scraping the sundries precipitated on the precipitated bottom surface into the sedimentation pit 6 for uniform treatment; in the process of scraping impurities, the sewage in the sedimentation groove 2 continuously flows in and out, and continuous sedimentation cannot be influenced.
As shown in fig. 9, 10 and 11, the scraping unit 3 includes a scraping plate 43, a supporting plate 44 and a flow stabilizer 45, wherein as shown in fig. 11, the supporting plate 44 is arc-shaped, the lower end of the supporting plate 44 has an arc-shaped sliding slot, and the upper ends of the two supporting plates 44 are symmetrically installed in the settling channel 2 by sliding fit; the scrapers 43 are arc-shaped, the upper ends of the two scrapers 43 are correspondingly arranged at the lower ends of the two supporting plates 44 one by one through sliding fit with the sliding grooves formed in the two supporting plates 44, and the lower ends of the two scrapers 43 are lower than the corresponding supporting plates 44 after extending out; the lower ends of the two supporting plates 44 are hinged with a flow stabilizing plate 45 through a third rotating shaft 30, the other ends of the two flow stabilizing plates 45 are hinged with each other through a supporting shaft 11, and the two ends of the supporting shaft 11 are in sliding fit with the settling channel 2; the two support plates 44 swing relative to the two stabilizing plates 45 to control the sliding of the scraper 43 in the support plates 44 through the gear transmission.
The scraper 43 designed by the invention has elasticity at the lower end, when the scraping unit 3 is driven to scrape deposited impurities forwards in the direction of the settling pit 6, the lower end of the scraper 43 is tightly pressed against the scraping bottom surface 5 of the settling pit, and a certain pressure is provided between the scraper and the bottom surface, so that the scraping effect of the scraper 43 on the deposited impurities is ensured. The supporting plates 44 designed by the invention are arc-shaped, and the upper ends of the two supporting plates 44 in the same scraping unit 3 are in smooth transition before or after upward swinging, so that the sewage in the settling channel 2 can be ensured to stably flow through the transition arc-shaped surface formed by the two supporting plates 44 in the process of forward scraping or resetting of the scraping unit 3, and the disturbance degree of the scraping mechanism to the sewage in the settling channel 2 in the process of forward scraping or resetting is reduced. The reason why the lower ends of the two scrapers 43 are lower than the corresponding supporting plates 44 after extending out is that the lower ends of the supporting plates 44 are prevented from contacting with the scraping bottom surface 5 of the sedimentation groove and interfering with the scraping bottom surface 5 in the process of scraping the scraping unit 3 forwards towards the direction of the sedimentation pit 6, so that the contact extrusion of the scrapers 43 and the scraping bottom surface 5 is influenced; when the scraping unit 3 is driven to scrape the deposited impurities forward in the direction of the settling pit 6, the lower end of the scraping plate 43 is tightly pressed against the scraping bottom surface 5 of the settling pit, and a certain gap is left between the lower end of the corresponding support plate 44 and the scraping bottom surface 5 to ensure that the scraping plate 43 and the scraping bottom surface 5 have enough pressure.
Although the upper ends of the two supporting plates 44 designed in the same scraping unit 3 are in arc-shaped smooth transition, in order to prevent the two supporting plates from interfering when swinging, a small gap is formed at the joint of the upper ends of the two supporting plates 44 of the scraping unit 3 designed in the invention, and when the supporting plates 44 are driven to swing upwards, the two scrapers 43 can be prevented from interfering through the gap; when the scraping unit 3 is driven to scrape forwards, the two flow stabilizing plates 45 in the scraping unit 3 are surrounded by the two supporting plates 44 and the two scraping plates 43, and the two flow stabilizing plates 45 do not influence the scraping of the scraping unit 3 on the deposited sundries; when the drive scraping unit 3 resets backwards, at first can control two backup pads 44 and go up the pendulum, two backup pads 44 go up the pendulum and will drive two stabilizer 45 swings, make two stabilizer 45 swing to be parallel with the bottom surface 5 that strikes off of settling ditch 2, the reason of design like this is, the sewage in settling ditch 2 is scraping unit 3 reset in-process, the downside part sewage can flow through from the downside of scraping two stabilizer 45 in unit 3, and two stabilizer 45 are parallel with the bottom surface 5 that strikes off of settling ditch 2, downside sewage flows through steadily, can not be between two arc backup pads 44 the phenomenon of the mixed flow of arc line, reduced and scraped the disturbance degree of mechanism to sewage in settling ditch 2 in the reset in-process.
As shown in fig. 3, the motor 1 is fixedly installed on the upper side of the settling channel 2, and the motor 1 firstly controls the support plates 44 in all the scraping units 3 to swing downwards through the driving mechanism 4; the lower end of the scraper 43 arranged on the support plate 44 is driven by the lower hem to be in pressing contact with the scraping bottom surface 5 of the sedimentation groove 2; then the driving mechanism 4 controls the scraping unit 3 arranged in the sedimentation groove 2 to scrape forwards towards the sedimentation pit 6 in the sedimentation groove 2; the sediment on the scraping bottom surface 5 in the sedimentation groove 2 is scraped to move forwards; then the driving mechanism 4 controls the supporting plates 44 in all the scraping units 3 to swing upwards, at the same time all the stabilizing plates 45 swing horizontally, and finally the driving mechanism 4 controls the scraping units 3 arranged in the sedimentation ditch 2 to reset backwards in the direction opposite to the direction of the sedimentation pit 6 in the sedimentation ditch 2.
During the operation, the swinging and moving of the supporting plate 44, the scraper 43 and the flow stabilizer 45 alternately run, and the sediment in the sedimentation ditch is intermittently pushed forward and finally collected in the sedimentation pit 6 in the sedimentation ditch.
As shown in fig. 2, two first guide grooves 8 are symmetrically formed at both ends of the settling channel 2, two second guide grooves 9 are symmetrically formed at both ends of the settling channel 2, and the two second guide grooves 9 are located under the two first guide grooves 8.
As shown in fig. 3 and 4, the upper ends of the supporting plates 44 are provided with rotating shafts 10, and the two supporting plates 44 are symmetrically arranged in the sedimentation groove 2 through the sliding fit of the corresponding rotating shafts 10 and the two first guide grooves 8 formed on the sedimentation groove 2; the two ends of the supporting shaft 11 hinged with the two flow stabilizing plates 45 are in sliding fit with the two second guide grooves 9 formed on the sedimentation groove 2.
As shown in fig. 5, both ends of the two rotating shafts 10 mounted on the two supporting plates 44 are connected to the driving mechanism 4 through the two first guiding grooves 8 formed on the settling channel 2.
As shown in fig. 5, both ends of the transmission shaft 17 respectively pass through both sides of the settling tank 2 to be connected with the two driving mechanisms 4 at both sides of the settling tank 2.
As shown in fig. 6, the driving mechanism 4 includes a first driving bar 23, a second driving bar 24, a slider-crank mechanism 25, a first driving block, a second driving block 26, and a second slider 36, wherein the second driving bar 24 is installed at one side of the settling channel 2 by sliding fit, and the second driving bar 24 is rotatably connected with one end corresponding to the rotating shaft 10 penetrating through the settling channel; the second driving strip 24 is connected with one end, corresponding to the support shaft 11, penetrating out of the settling channel in a vertically sliding fit manner; the first driving bar 23 is mounted on the second driving bar 24 by sliding fit; the first driving strip 23 is connected with the transmission rotating shaft 17 through a crank-slider mechanism 25, and the first driving strip 23 moves relative to the second driving strip 24 to control the swing of a supporting plate 44 in the scraping unit 3 through the transmission of a gear and a rack 34; as shown in fig. 7, the first and second driving blocks 26 are mounted on the first driving bar 23; as shown in fig. 8, the second slider 36 is mounted on the second driver bar 24, and the second slider 36 cooperates with the first and second driver blocks 26; the first and second drive blocks 26 are located on either side of the second slider 36.
As shown in fig. 6, the crank-slider mechanism 25 includes a crank 27, a connecting rod 28, and a first slider 32, wherein one end of the crank 27 is fixedly mounted on the transmission shaft 17, the first slider 32 is fixedly mounted on the first driving bar 23, the connecting rod 28 is connected between the first slider 32 and the other end of the crank 27, and two ends of the connecting rod 28 are respectively connected with the crank 27 and the first slider 32 in a hinged manner.
As shown in fig. 6, the first and second driving blocks 26 are respectively located at both sides of the first slider 32.
When the transmission rotating shaft 17 rotates, the crank 27 is driven to rotate, the crank 27 rotates to drive the connecting rod 28 to swing, the connecting rod 28 swings to drive the first sliding block 32 to slide, and the first sliding block 32 slides to drive the first driving strip 23 to slide; in the sliding process of the first slider 32, after the first driving block or the second driving block 26 mounted on the first driving bar 23 contacts with the second slider 36 mounted on the second driving bar 24, the first slider 32 drives the second slider 36 to slide through the first driving block or the second driving block 26, and the second slider 36 drives the second driving bar 24 to slide.
As shown in fig. 5, the motor 1 is installed on the upper side of the settling tank 2 through a motor support 12, a first rotating shaft 14 is installed on one side of the settling tank 2 through a first support 13, and the first rotating shaft 14 is connected with an output shaft of the motor 1; the first gear 15 is fixedly arranged on the first rotating shaft 14, the second rotating shaft 18 is rotatably arranged on the side surface of the sedimentation groove, the second gear 16 is fixedly arranged at one end of the second rotating shaft 18, and the second gear 16 is meshed with the first gear 15, and the second sprocket 21 is fixedly arranged at the other end of the second rotating shaft 18; the first chain wheel 20 is fixedly arranged on the transmission rotating shaft 17, and the first chain wheel 20 is connected with the second chain wheel 21 through a chain 19; the motor 1 works to drive the first rotating shaft 14 to rotate, the first rotating shaft 14 rotates to drive the first gear 15 to rotate, the first gear 15 rotates to drive the second gear 16 to rotate, the second gear 16 rotates to drive the second rotating shaft 18 to rotate, the second rotating shaft 18 rotates to drive the second chain wheel 21 to rotate, the second chain wheel 21 rotates to drive the first chain wheel 20 to rotate through the chain 19, and the first chain wheel 20 rotates to drive the transmission rotating shaft 17 to rotate.
As shown in fig. 13, a plurality of fifth gears 29 are uniformly mounted on the third rotating shaft 30, teeth are provided on the intrados of the scrapers 43, and the fifth gears 29 mounted on the third rotating shaft 30 are engaged with the teeth of the corresponding scrapers 43. When the steady flow plate 45 swings relative to the corresponding support plate 44, the steady flow plate 45 drives the third rotating shaft 30 to rotate, the third rotating shaft 30 drives the fifth gear 29 to rotate, and the fifth gear 29 rotates to drive the scraper 43 to extend into and extend out of the support plate. According to the scraper blade, the scraper blades 43 and the supporting plates 44 are designed to be telescopic structures, and in the process that the scraping unit 3 is driven to reset, the lower ends of the scraper blades 43 are controlled to completely extend into the arc-shaped grooves in the lower ends of the supporting plates 44 through the swinging of the supporting plates 44 corresponding to the flow stabilizing plates 45, so that the lower ends of the scraper blades 43 and the lower ends of the flow stabilizing plates 45 are prevented from forming steps in the resetting process of the scraping unit 3, and the disturbance of lower side water flow is avoided.
As shown in fig. 11, a fourth gear 41 is fixedly installed at one end of the rotating shaft 10 penetrating through the settling groove, and an adjusting telescopic mechanism 42 is installed between two fourth gears 41 on the same side in the same scraping unit 3.
As shown in fig. 12, the adjustable telescopic mechanism 42 includes a telescopic rack 46, a second spring 47, a sliding plate 48, and a telescopic outer sleeve 49, wherein the lower end of the telescopic outer sleeve 49 is mounted on a support shaft penetrating through the settling channel in a hinged manner, the sliding plate 48 is mounted at the lower end of the telescopic rack 46, the lower end of the telescopic rack 46 is slidably mounted in the telescopic outer sleeve 49 through the sliding fit of the sliding plate 48 and the telescopic outer sleeve 49, and a plurality of uniformly distributed second springs 47 are respectively mounted between the two ends of the upper end of the sliding plate 48 and the upper and lower inner end surfaces of the telescopic outer sleeve 49; the upper end of the telescopic rack 46 is engaged with the corresponding two fourth gears.
As shown in fig. 7, a plurality of racks 34 are uniformly installed on one side of the first driving bar 23 through a connecting block 35, a third gear 40 is installed on each of both sides of the second driving bar 24 corresponding to each scraping unit 3, the third gear 40 is engaged with the corresponding rack 34, the third gear 40 is engaged with one fourth gear 41 of two corresponding fourth gears 41, and when the first driving bar 23 moves toward the returning direction of the scraping unit 3 with respect to the second driving bar 24, two corresponding supporting plates 44 are swung upward by the transmission of the third gear 40 and the corresponding fourth gear 41.
In the invention, when the first driving bar 23 slides relative to the second driving bar 24, the first driving bar 23 drives the rack 34 mounted thereon to slide relative to the second driving bar 24 through the connecting block 35, the rack 34 slides and drives the third gear 40 mounted on the second driving bar 24 to rotate, the third gear 40 rotates and drives the fourth gear 41 engaged therewith to rotate, the fourth gear 41 rotates and drives the corresponding supporting plate 44 to swing through the rotating shaft 10, meanwhile, the fourth gear 41 rotates and drives the telescopic toothed bar 46 to move downwards, the telescopic toothed bar 46 moves downwards and drives the other fourth gear 41 to rotate, the other fourth gear 41 rotates and drives the other supporting plate 44 to swing, meanwhile, the telescopic toothed bar 46 drives the telescopic outer sleeve 49 to move downwards through the sliding plate 48 and the second spring 47, the telescopic outer sleeve 49 moves downwards and drives the two flow stabilizing plates 45 hinged thereto to swing, and the two supporting plates 44 swing and drive one end of the two flow stabilizing plates 45 hinged thereto to swing, namely, two ends of the two flow stabilizing plates 45 are respectively driven by the telescopic outer sleeve 49 and the two supporting plates 44; in the invention, in order to prevent the two stabilizing plates 45 from swinging and interfering due to different driving strokes at two ends in the swinging process, the second spring 47 is designed, and the telescopic toothed bar 46 moves relative to the telescopic outer sleeve 49 after a swinging error occurs, so that the second spring 47 arranged in the telescopic outer sleeve 49 is deformed, and the swinging and interference of the two stabilizing plates 45 is prevented by the deformation of the second spring 47.
As shown in fig. 2, two sets of trapezoidal guide grooves 7 are symmetrically formed on both sides of the settling channel, as shown in fig. 8, a trapezoidal guide block 50 is installed on one side of the second driving bar 24, as shown in fig. 1, and the second driving bar 24 is installed on the settling channel by the sliding fit of the trapezoidal guide block 50 thereon and the trapezoidal guide groove 7 formed on the settling channel.
As shown in fig. 6, the first driver blade 23 is mounted on the second driver blade 24 via two guide supports 31.
In the invention, the second driving strip 24 drives the scraping unit 3 to move, and the resistance force borne by the second driving strip 24 is larger than that borne by the first driving strip 23; the requirement of the resistance ensures that the first driving strip 23 can generate relative displacement when driving the second driving strip 24, so as to drive the support pendulum to swing.
The specific working process is as follows: when the scraping mechanism designed by the invention is used, after a specified cleaning time is reached, firstly, the motor 1 is driven to work, the motor 1 works to drive the first rotating shaft 14 to rotate, the first rotating shaft 14 rotates to drive the first gear 15 to rotate, the first gear 15 rotates to drive the second gear 16 to rotate, the second gear 16 rotates to drive the second rotating shaft 18 to rotate, the second rotating shaft 18 rotates to drive the second chain wheel 21 to rotate, the second chain wheel 21 rotates to drive the first chain wheel 20 to rotate through the chain 19, and the first chain wheel 20 rotates to drive the transmission rotating shaft 17 to rotate; when the transmission rotating shaft 17 rotates, the crank 27 is driven to rotate, the crank 27 rotates to drive the connecting rod 28 to swing, the connecting rod 28 swings to drive the first sliding block 32 to slide, and the first sliding block 32 slides to drive the first driving strip 23 to slide; in the initial state, as shown in c in fig. 15, the lower end of the scraper 43 in the scraping unit 3 is adjusted to be in pressing contact with the scraping bottom surface 5, and the second slider 36 is in contact with the second driving block 26, so that the first slider 32 drives the second slider 36 to slide through the second driving block 26, and the second slider 36 drives the second driving strip 24 to slide, that is, the first driving strip 23 and the second driving strip 24 slide simultaneously, as shown in a in fig. 14, the scraping unit 3 is driven to scrape forward, and the scraping treatment is performed on the deposited impurities on the scraping bottom surface 5, as shown in b in fig. 14, when the first crank 27 drives the first slider 32 to move forward to the limit state, the first crank 27 starts to drive the first slider 32 to return backward, at this time, because the resistance force applied to the second driving strip 24 is greater than the resistance force applied to the first driving strip 23, the first driving strip 23 will move relative to the second driving strip 24, the first driving bar 23 can drive the rack 34 installed on the first driving bar to slide relative to the second driving bar 24 through the connecting block 35, the rack 34 slides and drives the third gear 40 installed on the second driving bar 24 to rotate, the third gear 40 rotates and drives the fourth gear 41 engaged with the third gear to rotate, the fourth gear 41 rotates and drives the corresponding supporting plate 44 to swing through the rotating shaft 10, meanwhile, the fourth gear 41 rotates and drives the telescopic toothed bar 46 to move downwards, the telescopic toothed bar 46 moves downwards and drives the other fourth gear 41 to rotate, the other fourth gear 41 rotates and drives the other supporting plate 44 to swing, meanwhile, the telescopic toothed bar 46 drives the telescopic jacket 49 to move downwards through the sliding plate 48 and the second spring 47, the telescopic jacket 49 moves downwards and drives the two flow stabilizing plates 45 hinged with the telescopic jacket to swing, and the swing of the two supporting plates 44 can drive one end of the two flow stabilizing plates 45 hinged with the telescopic jacket to swing; as shown in a in fig. 15, the angle between the two flow stabilizing plates 45 and the two support plates 44 is changed, the fifth gear 29 rotates to drive the scraper 43 to move upwards, and simultaneously the two support plates 44 swing upwards to drive the corresponding scraper 43 to move upwards, so that a gap is formed between the lower end of the scraper 43 and the scraping bottom surface 5; when the first slide block 32 drives the first driving block to move to contact with the second slide block 36, the first slide block 32 drives the second slide block 36 to move backward through the first driving block, at this time, the supporting plate 44 in the scraping unit 3 swings upward to a certain height, and the two flow stabilizing plates 45 swing flat and are parallel to the scraping bottom surface 5, as shown in a in fig. 15, in this state, the first driving strip 23 and the second driving strip 24 are simultaneously reset backward; when the first crank 27 drives the first slider 32 to return to the limit state, as shown in b in fig. 15, the first crank 27 starts to drive the first slider 32 to move forward, and at this time, because the resistance force exerted on the second driving strip 24 is greater than the resistance force exerted on the first driving strip 23, the first driving strip 23 will move relative to the second driving strip 24, the first driving strip 23 will drive the rack 34 mounted thereon to slide relative to the second driving strip 24 through the connecting block 35, the rack 34 will drive the third gear 40 mounted on the second driving strip 24 to rotate, the third gear 40 will drive the fourth gear 41 engaged therewith to rotate, the fourth gear 41 will drive the corresponding supporting plate 44 to swing through the rotating shaft 10, and at the same time, the fourth gear 41 will drive the telescopic rack 46 to move upward, the telescopic rack 46 will move upward to drive another fourth gear 41 to rotate, another fourth gear 41 will drive another supporting plate 44 to swing, meanwhile, the telescopic rack 46 drives the telescopic outer sleeve 49 to move upwards through the sliding plate 48 and the second spring 47, the telescopic outer sleeve 49 moves upwards to drive the two flow stabilizing plates 45 hinged with the telescopic outer sleeve to swing, and the two supporting plates 44 swing to drive one ends of the two flow stabilizing plates 45 hinged with the telescopic outer sleeve to swing; as shown in c in fig. 15, the angle between the two flow stabilizing plates 45 and the two support plates 44 is changed, the fifth gear 29 rotates to drive the scraper 43 to move downwards, and simultaneously the two support plates 44 swing upwards to drive the corresponding scraper 43 to swing downwards, so that the lower end of the scraper 43 is in pressing contact with the scraping bottom surface 5; at this time, the two stabilizing plates 45 swing by a certain angle, then the first driving strip 23 and the second driving strip 24 move forward simultaneously, the scraping unit 3 scrapes the deposited impurities on the scraping bottom surface 5 again, i.e. the scraping and resetting steps of the scraping plate 43 are alternately operated, and the sediments in the settling channel are intermittently pushed forward and finally collected in the settling pit 6 in the settling channel.
Claims (7)
1. The utility model provides a sewage treatment's disturbance of preventing strikes off equipment, it includes the precipitation ditch, installs evenly distributed's in the precipitation ditch unit of striking off, its characterized in that: one end of the sedimentation groove is provided with a scraping bottom surface, and the other end of the sedimentation groove is provided with a sedimentation pit; the scraping unit comprises a scraping plate, supporting plates and a flow stabilizing plate, wherein the supporting plates are arc-shaped, the lower ends of the supporting plates are provided with arc-shaped sliding grooves, and the upper ends of the two supporting plates are symmetrically arranged in the sedimentation groove in a sliding fit manner; the upper ends of the two scraping plates are correspondingly arranged at the lower ends of the two supporting plates one by one through sliding fit with the sliding grooves formed in the two supporting plates, and the lower ends of the two scraping plates are lower than the corresponding supporting plates after extending out; the lower ends of the two supporting plates are hinged with a flow stabilizing plate through a third rotating shaft, the other ends of the two flow stabilizing plates are hinged with each other through a supporting shaft, and the two ends of the supporting shaft are in sliding fit with the settling channel; the two supporting plates swing relative to the two flow stabilizing plates to control the sliding of the scraping plate in the supporting plates through gear transmission;
the upper side of the sedimentation groove is fixedly provided with a motor, and the motor firstly controls the supporting plates in all scraping units to swing downwards through a driving mechanism; the lower pendulum of the supporting plate drives the lower end of the scraper arranged on the supporting plate to be in extrusion contact with the scraping bottom surface of the sedimentation groove; then the driving mechanism controls a scraping unit arranged in the sedimentation groove to scrape forwards towards the direction of a sedimentation pit in the sedimentation groove; the sediment on the scraping bottom surface in the sedimentation groove is scraped to move forwards; then the driving mechanism controls the supporting plates in all the scraping units to swing upwards, all the flow stabilizing plates swing horizontally at the same time, and finally the driving mechanism controls the scraping units arranged in the sedimentation ditch to reset backwards in a direction opposite to the direction of the sedimentation pit in the sedimentation ditch;
in the working process, the support plate, the scraper and the flow stabilizing plate alternately run in a reciprocating mode, and sediment in the sedimentation ditch is intermittently pushed forwards and finally collected into a sedimentation pit in the sedimentation ditch;
two through first guide grooves are symmetrically formed in two ends of the precipitation groove, two through second guide grooves are symmetrically formed in two ends of the precipitation groove, and the two second guide grooves are located on the lower sides of the two first guide grooves;
the upper ends of the supporting plates are provided with rotating shafts, and the two supporting plates are symmetrically arranged in the sedimentation groove through the sliding fit of the corresponding rotating shafts and the two first guide grooves formed in the sedimentation groove; two ends of a supporting shaft hinged with the two flow stabilizing plates are in sliding fit with two second guide grooves formed in the sedimentation groove;
two ends of two rotating shafts arranged on the two supporting plates penetrate through two first guide grooves formed in the sedimentation groove and are in transmission connection with a driving mechanism;
two ends of the transmission rotating shaft respectively penetrate through two side surfaces of the precipitation groove and are connected with two driving mechanisms on two sides of the precipitation groove;
the driving mechanism comprises a first driving strip, a second driving strip, a slider-crank mechanism, a first driving block, a second driving block and a second slider, wherein the second driving strip is arranged on one side of the sedimentation groove in a sliding fit manner, and the second driving strip is rotatably connected with one end corresponding to a rotating shaft penetrating out of the sedimentation groove; the second driving strip is connected with one end, corresponding to the supporting shaft, penetrating out of the settling channel in a vertically sliding fit manner; the first driving strip is arranged on the second driving strip in a sliding fit manner; the first driving strip is connected with the transmission rotating shaft through a crank slider mechanism, moves relative to the second driving strip and controls the swinging of a supporting plate in the scraping unit through the transmission of a gear and a rack; the first driving block and the second driving block are arranged on the first driving strip; the second sliding block is arranged on the second driving strip and matched with the first driving block and the second driving block; the first driving block and the second driving block are respectively positioned at two sides of the second sliding block;
the crank-slider mechanism comprises a crank, a connecting rod and a first slider, wherein one end of the crank is fixedly arranged on the transmission rotating shaft, the first slider is fixedly arranged on the first driving strip, the connecting rod is connected between the first slider and the other end of the crank, and two ends of the connecting rod are respectively connected with the crank and the first slider in a hinged mode;
the first driving block and the second driving block are respectively positioned at two sides of the first sliding block.
2. The anti-disturbance scraping device for sewage treatment according to claim 1, wherein: the motor is supported and installed on the upper side of the sedimentation groove through the motor, the first rotating shaft is installed on one side of the sedimentation groove through the first support, and the first rotating shaft is connected with an output shaft of the motor; the first gear is fixedly arranged on the first rotating shaft, the second rotating shaft is rotatably arranged on the side surface of the sedimentation groove, the second gear is fixedly arranged at one end of the second rotating shaft, and the second gear is meshed with the first gear; the first chain wheel is fixedly arranged on the transmission rotating shaft, and the first chain wheel is connected with the second chain wheel through a chain.
3. The anti-disturbance scraping device for sewage treatment according to claim 1, wherein: and a plurality of fifth gears are uniformly arranged on the third rotating shaft, teeth are arranged on the inner arc surface of the scraper, and the fifth gears arranged on the third rotating shaft are meshed with the teeth on the corresponding scraper.
4. The anti-disturbance scraping device for sewage treatment according to claim 1, wherein: one end of the rotating shaft penetrating out of the sedimentation groove is fixedly provided with a fourth gear, and an adjusting telescopic mechanism is respectively arranged between two fourth gears on the same side in the same scraping unit;
the adjusting telescopic mechanism comprises a telescopic toothed bar, a second spring, a sliding plate and a telescopic outer sleeve, wherein the lower end of the telescopic outer sleeve is arranged on a support shaft penetrating out of the sedimentation channel in a hinged mode, the sliding plate is arranged at the lower end of the telescopic toothed bar, the lower end of the telescopic toothed bar is slidably arranged in the telescopic outer sleeve through the sliding fit of the sliding plate and the telescopic outer sleeve, and a plurality of uniformly distributed second springs are respectively arranged between two ends of the upper end of the sliding plate and two inner end faces of the upper end and the lower end of the telescopic outer sleeve; the upper end of the telescopic rack bar is meshed with the two corresponding fourth gears.
5. The anti-disturbance scraping device for sewage treatment according to claim 1, wherein: a plurality of racks are uniformly arranged on one side of the first driving strip through a connecting block, a third gear is arranged on each of two sides of the second driving strip corresponding to each scraping unit, the third gear is meshed with the corresponding rack, the third gear is meshed with one of the two corresponding fourth gears, and when the first driving strip moves towards the resetting direction of the scraping unit relative to the second driving strip, the two corresponding supporting plates swing upwards through the third gear and the transmission of the corresponding fourth gears.
6. The anti-disturbance scraping device for sewage treatment according to claim 1, wherein: two groups of trapezoidal guide grooves are symmetrically formed in two sides of the sedimentation groove, a trapezoidal guide block is installed on one side of the second driving strip, and the second driving strip is installed on the sedimentation groove through the sliding fit of the trapezoidal guide block on the second driving strip and the trapezoidal guide grooves formed in the sedimentation groove.
7. The anti-disturbance scraping device for sewage treatment according to claim 1, wherein: the first driving strip is arranged on the second driving strip through two guide supports.
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| CN202010184807.0A CN111151035B (en) | 2020-03-17 | 2020-03-17 | Sewage treatment prevents disturbance scraping equipment |
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| CN202010184807.0A CN111151035B (en) | 2020-03-17 | 2020-03-17 | Sewage treatment prevents disturbance scraping equipment |
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| CN111151035B true CN111151035B (en) | 2022-04-22 |
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| US6199704B1 (en) * | 1998-07-04 | 2001-03-13 | Michihiro Fujiwara | Sludge collecting apparatus |
| JP2002253903A (en) * | 2001-03-01 | 2002-09-10 | Asahi Tec Corp | Sediment scraping apparatus |
| CN204503806U (en) * | 2015-01-29 | 2015-07-29 | 苏闽(张家港)新型金属材料科技有限公司 | A kind of circulating oil system with automatic cleaning function |
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