CN112546697A - A filter soil pick-up device for field irrigation - Google Patents
A filter soil pick-up device for field irrigation Download PDFInfo
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- CN112546697A CN112546697A CN202011134831.XA CN202011134831A CN112546697A CN 112546697 A CN112546697 A CN 112546697A CN 202011134831 A CN202011134831 A CN 202011134831A CN 112546697 A CN112546697 A CN 112546697A
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- filter screen
- cylindrical filter
- dirt
- gear
- pipe
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- 230000002262 irrigation Effects 0.000 title claims abstract description 25
- 238000003973 irrigation Methods 0.000 title claims abstract description 25
- 239000002689 soil Substances 0.000 title claims description 20
- 239000012535 impurity Substances 0.000 claims abstract description 68
- 239000010865 sewage Substances 0.000 claims description 38
- 239000003638 chemical reducing agent Substances 0.000 claims description 23
- 210000004209 hair Anatomy 0.000 claims description 23
- 238000007789 sealing Methods 0.000 claims description 18
- 238000007599 discharging Methods 0.000 claims description 11
- 230000033001 locomotion Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 3
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000013459 approach Methods 0.000 claims 1
- 238000001914 filtration Methods 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 30
- 238000000926 separation method Methods 0.000 description 12
- 238000004140 cleaning Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003621 irrigation water Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/35—Self-supporting filtering elements arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
- B01D29/606—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by pressure measuring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6407—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention provides a filter dirt absorbing device for field irrigation, which relates to the technical field of field irrigation and comprises a shell, wherein a filter screen impurity separating device for separating impurities adsorbed on a cylindrical filter screen is arranged between the inside of the shell and the outer surface of the cylindrical filter screen, and the filter screen impurity separating device can move bristles arranged outside the cylindrical filter screen towards the surface of the cylindrical filter screen so that the bristles can be in contact with the surface of the cylindrical filter screen; the filter screen impurity disengaging gear drives the bristles to contact with the outer surface of the cylindrical filter screen and impact the outer surface of the cylindrical filter screen from outside to inside, so that the bristles can be inserted into the filtering gaps of the cylindrical filter screen, the bristles can impact impurities stuck in the filtering gaps of the cylindrical filter screen, the impurities which are difficult to automatically suck away can also be disengaged from the cylindrical filter screen and smoothly discharged, and the dirt suction effect and the dirt suction quality are guaranteed.
Description
Technical Field
The invention relates to the technical field of farmland irrigation, in particular to a filter dirt absorbing device for farmland irrigation.
Background
When irrigating crops, all need the filter to filter irrigation water, because partial area quality of water is relatively poor, in addition equipment moves for a long time, leads to the more scaling of filter screen internal surface adhesion, and can't follow the separation of filter screen internal surface with its impact force through high pressure nozzle, and then make the suction nozzle can't inhale the blow off pipe with scaling.
Through retrieval, the Chinese patent with the publication number of CN207680133U discloses an agricultural irrigation filter with a self-draining function, which comprises end covers, a filter body, a coarse filter screen, a fine filter screen, a water inlet pipe and a sewage discharge pipe, wherein the two ends of the filter body are respectively and fixedly connected with the end covers, the water inlet pipe is fixedly communicated with the lower part of the filter body in a bilateral symmetry manner, the coarse filter screen is fixedly embedded at the contact part of the water inlet pipe and the filter body, and the fine filter screen is fixedly embedded in the middle of the filter body; the blowoff valve is opened by automation, and suction inlet department produces a suction, can inhale the suction pipe with the suspended solid that gathers on the thin filter screen internal surface, and the arc brush board rotates the internal surface of thin filter screen, makes the suspended solid of adhesion on the internal surface of thin filter screen by the removals, and in subsequent suction inlet inhales the suction pipe with the suspended solid that the removals again, improves the dirt absorbing capacity to the thin filter screen internal surface.
However, in the above technical solution, the inventor found that although the arc brush plate is arranged inside the filter body, the arc brush plate can contact with the inner wall of the fine filter screen, so that part of the impurities adhered to the inner wall of the fine filter screen can be cleaned, but more impurities are clamped into the filtering gaps of the fine filter screen, so that the arc brush plate adopting the cleaning manner from inside to outside is not only difficult to clean the impurities clamped into the filtering gaps of the fine filter screen, but also makes the impurities clamped into the filtering gaps tighter and more difficult to clean, and the inventor found through a great deal of research that the impurities clamped into the filtering gaps can be effectively cleaned by cleaning the filter screen in the cleaning manner from outside to inside, but how well to realize the cleaning manner from outside to inside in the filter, there is no good solution in the prior art.
Disclosure of Invention
The invention aims to provide a filter dirt absorbing device for field irrigation, and aims to solve the problem that impurities clamped into a filtering gap of a fine filter screen are difficult to clean in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: the filter dirt absorbing device for field irrigation comprises a shell and an end cover arranged at one end of the shell, wherein a tubular filter screen is fixedly arranged in the shell, a dirt absorbing pipe is coaxially arranged in the tubular filter screen, at least two dirt absorbing branch pipes are arranged on the dirt absorbing pipe, the opening ends of the dirt absorbing branch pipes are close to the inner wall of the tubular filter screen, the dirt absorbing pipe is communicated with a drain pipe, the drain pipe extends out of the shell, a drain valve is arranged on the drain pipe, a filter screen impurity separating device for separating impurities adsorbed on the tubular filter screen is arranged between the inside of the shell and the outer surface of the tubular filter screen, the filter screen impurity separating device can move bristles arranged outside the tubular filter screen towards the surface of the tubular filter screen so that the bristles can be in contact with the surface of the tubular filter screen, and a water inlet pipe is communicated with the tubular filter screen, and a water outlet pipe is communicated with the shell.
According to the further technical scheme, the filter screen impurity separation device comprises fixing shafts which are uniformly arranged outside the cylindrical filter screen along the circumferential direction of the cylindrical filter screen, adjacent fixing shafts are fixedly connected with each other through arc-shaped rods, shaft sleeves are rotatably connected to the fixing shafts, L-shaped rods are fixedly connected to the shaft sleeves, the L-shaped rods on the two adjacent shaft sleeves are fixedly connected with each other through connecting plates, bristles are arranged on the connecting plates, when one shaft sleeve rotates around the fixing shafts, the other adjacent shaft sleeve can rotate around the fixing shafts through the transmission effect of the L-shaped rods and the connecting plates, when the connecting plates move along and are close to the cylindrical filter screen, the bristles are in contact with the outer surface of the cylindrical filter screen, and one shaft sleeve is driven by a rotation driving mechanism to rotate around the fixing shafts.
According to the further technical scheme, the rotary driving mechanism comprises a driven chain wheel fixedly arranged on one shaft sleeve, a sealing cover body fixedly arranged on the outer surface of an end cover, a rotating shaft rotatably arranged in the sealing cover body, a driving chain wheel arranged on the rotating shaft and a chain for connecting the driven chain wheel and the driving chain wheel, a first speed reducer and a first motor are arranged outside the sealing cover body, the output end of the first motor is connected with the input end of the first speed reducer, and the output end of the first speed reducer is fixedly connected with the rotating shaft.
According to the further technical scheme, the end cover is fixedly connected with a threaded sleeve, internal threads are formed in the threaded sleeve, an external thread part is formed on the partial surface of the sewage suction pipe, the sewage suction pipe penetrates through the threaded sleeve to achieve connection of the external thread part and the internal threads, one end of the sewage suction pipe extends into the sealing cover body, the sewage discharge pipe is rotatably connected with the wall body of the sealing cover body, the sewage discharge pipe and the sewage suction pipe are coaxially sleeved through a flat key to achieve synchronous rotation and relative transverse movement of the sewage discharge pipe and the sewage suction pipe, and the sewage discharge pipe is driven by a forward and reverse rotation driving mechanism to perform alternate forward and reverse rotation movement.
According to the further technical scheme, the positive and negative rotation driving mechanism comprises an incomplete gear, a first gear and a second gear, the incomplete gear is installed on the rotating shaft and is in rotating connection with the sealing cover body, the incomplete gear is in alternate meshing connection with the first gear and the second gear, the first gear is coaxially connected with a first driving bevel gear, the second gear is coaxially connected with a second driving bevel gear, a first driven bevel gear and a second driven bevel gear are fixedly arranged on the sewage discharge pipe, and the first driven bevel gear and the second driven bevel gear are in meshing connection with the first driving bevel gear and the second driving bevel gear respectively.
According to the further technical scheme, the filter screen impurity separation device comprises at least two fixing rings fixedly arranged on the outer portion of the cylindrical filter screen, moving rods penetrate through the fixing rings movably, the moving rods are arranged along the radial direction of the cylindrical filter screen, arc-shaped plates are fixedly connected to the end portions, facing the cylindrical filter screen, of the moving rods, bristles are arranged on the arc-shaped plates, rotating rings are coaxially arranged on the outer portions of the fixing rings, adjacent rotating rings are fixedly connected with each other through fixing rods, a second speed reducer and a second motor are mounted on the outer surface of an end cover, the output end of the second motor is connected with the input end of the second speed reducer, the output end of the second speed reducer is fixedly connected with one of the rotating rings coaxially, and a reciprocating movement mechanism used for enabling the moving rods to move towards the cylindrical filter screen is arranged on the rotating rings.
According to a further technical scheme, the reciprocating mechanism comprises a protruding block fixedly arranged on the inner wall of the rotating ring, an impact piece is fixedly connected to the end, facing the rotating ring, of the moving rod, and the impact piece is connected with the fixing ring through a pressure spring.
According to the further technical scheme, the reciprocating mechanism comprises a first magnet fixedly arranged on the inner wall of the rotating ring and a second magnet fixedly connected to the end of the moving rod, the magnetic pole directions of the adjacent second magnets are opposite, and the first magnet and the second magnet have corresponding coincident positions when the first magnet rotates along with the rotating ring.
According to the further technical scheme, the first magnet and the second magnet are neodymium iron boron magnets.
According to the further technical scheme, the end cover is mounted at one end of the shell through a bolt assembly.
The invention has the beneficial effects that: after differential pressure sensor detects the pressure differential signal and arrives the default, the synchronous start-up of filter screen impurity disengaging gear, filter screen impurity disengaging gear takes the surface contact of brush hair and tube-shape filter screen and outside-in's striking tube-shape filter screen's surface, make the brush hair can insert in the filtration gap of tube-shape filter screen, thereby make the brush hair with stubborn card impurity etc. in the filtration gap of tube-shape filter screen by the striking, thereby make these impurity etc. that are difficult to automatic being siphoned away also can break away from the tube-shape filter screen and smoothly be discharged, soil pick-up effect and soil pick-up quality have been guaranteed.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of the present invention.
Fig. 2 is a sectional view taken along line a-a of fig. 1.
Fig. 3 is a schematic view showing the structure of the brush of fig. 2 in another state.
Fig. 4 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 5 is a sectional view taken along line B-B of fig. 4.
Fig. 6 is a schematic structural view of embodiment 2 of the present invention.
Fig. 7 is a sectional view taken along line C-C of fig. 6.
Fig. 8 is a schematic structural view of embodiment 3 of the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
Example 1
As shown in fig. 1-5, a filter dirt absorbing device for field irrigation comprises a housing 1 and an end cover 15 installed at one end of the housing 1, preferably, the end cover 15 is installed at one end of the housing 1 through a bolt assembly 16, a cylindrical filter screen 2 is fixedly installed inside the housing 1, a dirt absorbing pipe 29 is coaxially installed inside the cylindrical filter screen 2, at least two dirt absorbing branch pipes 32 are installed on the dirt absorbing pipe 29, the open ends of the dirt absorbing branch pipes 32 are close to the inner wall of the cylindrical filter screen 2, the dirt absorbing pipe 29 is communicated with a dirt discharging pipe 27, the dirt discharging pipe 27 extends out of the housing 1, a dirt discharging valve 28 is installed on the dirt discharging pipe 27, a filter screen impurity disengaging device for disengaging impurities adsorbed on the cylindrical filter screen 2 is arranged between the inside of the housing 1 and the outer surface of the cylindrical filter screen 2, and the filter screen impurity disengaging device can move bristles 5 installed outside the cylindrical filter screen 2 towards the surface of the cylindrical filter screen 2 The brush hairs 5 can contact with the surface of the cylindrical filter screen 2, a water inlet pipe 3 is communicated with the cylindrical filter screen 2, and a water outlet pipe 4 is communicated with the shell 1.
In the invention, a water inlet pipe 3 is communicated with an external water source, water enters a cylindrical filter screen 2 through the water inlet pipe 3, impurities in the water are filtered by the cylindrical filter screen 2 and then discharged to the outside of the cylindrical filter screen 2, and finally discharged through a water outlet pipe 4 for field irrigation, when more and more impurities and the like are intercepted on the inner wall of the cylindrical filter screen 2, pressure difference is generated between the inside and the outside of the cylindrical filter screen 2, a pressure difference sensor positioned in a shell 1 detects that a pressure difference signal reaches a preset value, a blow-off valve 28 is started to be in an open state, as shown in figure 4, the impurities and the like adhered on the inner wall of the cylindrical filter screen 2 are sucked into a sewage suction branch pipe 32 and then enter a sewage suction pipe 29, finally the impurities and the like adhered on the inner wall of the cylindrical filter screen 2 are discharged through a blow-off pipe 27, and a filter screen impurity separation device is synchronously, the filter screen impurity disengaging gear drives the brush hair 5 to contact with the outer surface of the cylindrical filter screen 2 and impact the outer surface of the cylindrical filter screen 2 from outside to inside, so that the brush hair 5 can be inserted into the filtering gap of the cylindrical filter screen 2, the brush hair 5 can bump impurities stuck in the filtering gap of the cylindrical filter screen 2, the impurities which are difficult to automatically suck can also be disengaged from the cylindrical filter screen 2 and smoothly discharged, and the dirt sucking effect and the dirt sucking quality are ensured.
Specifically, as shown in fig. 2 and 3, the filter screen impurity disengaging device includes fixing shafts 7 uniformly arranged outside the cylindrical filter screen 2 along the circumferential direction of the cylindrical filter screen 2, adjacent fixing shafts 7 are fixedly connected with each other through arc-shaped rods 6, shaft sleeves 8 are rotatably connected to the fixing shafts 7, L-shaped rods 9 are fixedly connected to the shaft sleeves 8, the L-shaped rods 9 on two adjacent shaft sleeves 8 are fixedly connected with each other through a connecting plate 10, the bristles 5 are arranged on the connecting plate 10, when one of the shaft sleeves 8 rotates around the fixing shaft 7, the other adjacent shaft sleeve 8 can rotate around the fixing shaft 7 through the transmission action of the L-shaped rods 9 and the connecting plate 10, when the connecting plate 10 moves along and is close to the cylindrical filter screen 2, the bristles 5 contact with the outer surface of the cylindrical filter screen 2, and one of the shaft sleeves 8 is driven to rotate around the fixing shaft 7 by a rotation driving mechanism, the rotation driving mechanism comprises a driven sprocket 14 fixedly arranged on one of the shaft sleeves 8, a sealing cover body 11 fixedly arranged on the outer surface of the end cover 5, a rotating shaft 19 rotatably arranged in the sealing cover body 11, a driving sprocket (not shown in the figure) arranged on the rotating shaft 19 and a chain (not shown in the figure) used for connecting the driven sprocket 14 and the driving sprocket, a first speed reducer 17 and a first motor 18 are arranged outside the sealing cover body 11, the output end of the first motor 18 is connected with the input end of the first speed reducer 17, and the output end of the first speed reducer 17 is fixedly connected with the rotating shaft 19.
In the invention, after a differential pressure sensor detects that a differential pressure signal reaches a preset value, a first motor 18 is started, after the speed reduction action of a first speed reducer 17, a rotating shaft 19 is driven to rotate, the rotating shaft 19 drives a driving sprocket to rotate, a driven sprocket 14 is driven to rotate through the transmission action of a chain, the driven sprocket 14 drives one of shaft sleeves 8 to rotate around a fixed shaft 7, the adjacent other shaft sleeve 8 can rotate around the fixed shaft 7 through the transmission action of an L-shaped rod 9 and a connecting plate 10, when the connecting plate 10 moves along and is close to a cylindrical filter screen 2, bristles 5 are in contact with the outer surface of the cylindrical filter screen 2 and impact the outer surface of the cylindrical filter screen 2, so that the bristles 5 can be inserted into filter gaps of the cylindrical filter screen 2, and thus stubborn impurities and the like clamped in the filter gaps of the cylindrical filter screen 2 are impacted, and the impurities and the like which are difficult to be automatically sucked can also be separated from the cylindrical filter screen 2 and, the dirt absorption effect and the dirt absorption quality are guaranteed, in addition, a shaft sleeve 8 is driven to rotate around the fixing shaft 7, all shaft sleeves 8 surrounding the cylindrical filter screen 2 can be synchronously driven to rotate around the corresponding fixing shaft 7, and therefore the surfaces of the cylindrical filter screens 2 continuously impacted by the brush hairs 5 are achieved, the structure is ingenious, and the using effect is good.
The end cover 15 is fixedly connected with a threaded sleeve 30, an internal thread is arranged in the threaded sleeve 30, an external thread part is formed on the partial surface of the sewage suction pipe 29, the sewage suction pipe 29 penetrates through the threaded sleeve 30 to be connected with the external thread part and the internal thread, one end of the sewage suction pipe 29 extends into the sealing cover body 11, the sewage discharge pipe 27 is rotatably connected with the wall body of the sealing cover body 11, the sewage discharge pipe 27 and the sewage suction pipe 29 are coaxially sleeved through a flat key 31 to realize synchronous rotation and relative transverse movement of the sewage discharge pipe 27 and the sewage suction pipe 29, the sewage discharge pipe 27 is driven by a forward and reverse driving mechanism to perform alternate forward and reverse rotation movement, the forward and reverse driving mechanism comprises an incomplete gear 20 arranged on the rotating shaft 19, a first gear 21 and a second gear 24 which are rotatably connected with the sealing cover body 11, the incomplete gear 20 is alternately meshed with the first gear 21 and the second gear 24, first gear 21 coaxial coupling has first initiative bevel gear 22, second gear 24 coaxial coupling has second initiative bevel gear 25, the fixed first driven bevel gear 23 and the driven bevel gear 26 of second that is provided with on blow off pipe 27, first driven bevel gear 23 and the driven bevel gear 26 of second respectively with first initiative bevel gear 22 with second initiative bevel gear 25 meshing connection.
When the first motor 18 is started and drives the rotating shaft 19 to rotate, the rotating shaft 19 also drives the incomplete gear 20 to rotate, the incomplete gear 20 alternately drives the first gear 21 and the second gear 24 to rotate, the rotating directions of the first gear 21 and the second gear 24 are opposite, the first gear 21 drives the first driving bevel gear 22 which is coaxially arranged to rotate, the first driving bevel gear 22 drives the first driven bevel gear 23 to rotate, the rotation of the first driven bevel gear 23 drives the sewage discharge pipe 27 to rotate, the second gear 24 drives the second driving bevel gear 25 which is coaxially arranged to rotate, the rotation of the second driving bevel gear 25 drives the second driven bevel gear 26 to rotate, the rotation of the second driven bevel gear 26 drives the sewage discharge pipe 27 to rotate in the opposite direction, and finally, the alternate forward and reverse rotation of the sewage discharge pipe 27 is realized, because the sewage discharge pipe 27 and the sewage suction pipe 29 are coaxially sleeved through the flat key 31 to realize the synchronous rotation and the relative transverse movement of the sewage discharge pipe 27 and the sewage suction pipe 29, therefore, the soil suction pipes 29 are alternately rotated forward and backward, and the soil suction pipes 29 rotated forward and backward are alternately laterally moved leftward and rightward by screwing the soil suction pipes 29 to the threaded sleeves 30, so that the soil suction pipes 29 are rotated and also alternately laterally moved leftward and rightward, the soil suction branch pipes 32 can be completely aligned with the inner wall of the tubular screen 2, and the soil suction effect can be ensured.
Example 2
As shown in fig. 6 and 7, a dirt suction device of a filter for farm irrigation comprises a housing 1 and an end cover 15 installed at one end of the housing 1, wherein a cylindrical filter screen 2 is fixedly arranged inside the housing 1, a dirt suction pipe 29 is coaxially arranged inside the cylindrical filter screen 2, at least two dirt suction branch pipes 32 are arranged on the dirt suction pipe 29, the open ends of the dirt suction branch pipes 32 are close to the inner wall of the cylindrical filter screen 2, the dirt suction pipe 29 is communicated with a dirt discharge pipe 27, the dirt discharge pipe 27 extends out of the housing 1, a dirt discharge valve 28 is installed on the dirt discharge pipe 27, a filter screen impurity separation device for separating impurities adsorbed on the cylindrical filter screen 2 is arranged between the inside of the housing 1 and the outer surface of the cylindrical filter screen 2, the filter screen impurity separation device can move bristles 5 arranged outside the cylindrical filter screen 2 towards the surface of the cylindrical filter screen 2 so that the bristles 5 can contact the surface of the cylindrical filter screen 2, a water inlet pipe 3 is communicated with the cylindrical filter screen 2, and a water outlet pipe 4 is communicated with the shell 1.
In the invention, a water inlet pipe 3 is communicated with an external water source, water enters a cylindrical filter screen 2 through the water inlet pipe 3, impurities in the water are filtered by the cylindrical filter screen 2 and then discharged to the outside of the cylindrical filter screen 2, and finally discharged through a water outlet pipe 4 for field irrigation, when more and more impurities and the like are intercepted on the inner wall of the cylindrical filter screen 2, pressure difference is generated between the inside and the outside of the cylindrical filter screen 2, a pressure difference sensor positioned in a shell 1 detects that a pressure difference signal reaches a preset value, a blow-off valve 28 is started to be in an open state, as shown in figure 4, the impurities and the like adhered on the inner wall of the cylindrical filter screen 2 are sucked into a sewage suction branch pipe 32 and then enter a sewage suction pipe 29, finally the impurities and the like adhered on the inner wall of the cylindrical filter screen 2 are discharged through a blow-off pipe 27, and a filter screen impurity separation device is synchronously, the filter screen impurity disengaging gear drives the brush hair 5 to contact with the outer surface of the cylindrical filter screen 2 and impact the outer surface of the cylindrical filter screen 2 from outside to inside, so that the brush hair 5 can be inserted into the filtering gap of the cylindrical filter screen 2, the brush hair 5 can bump impurities stuck in the filtering gap of the cylindrical filter screen 2, the impurities which are difficult to automatically suck can also be disengaged from the cylindrical filter screen 2 and smoothly discharged, and the dirt sucking effect and the dirt sucking quality are ensured.
Specifically, the filter screen impurity separation device comprises at least two fixing rings 37 fixedly arranged outside the cylindrical filter screen 2, a moving rod 39 is movably passed through the fixing rings 37, the moving rod 39 is arranged along the radial direction of the cylindrical filter screen 2, the moving rod 39 faces the end part of the cylindrical filter screen 2 and is fixedly connected with an arc plate 40, the bristles 5 are arranged on the arc plate 40, rotating rings 35 are coaxially arranged outside the fixing rings 37, the adjacent rotating rings 35 are fixedly connected with each other through fixing rods 42, a second speed reducer 34 and a second motor 33 are arranged on the outer surface of the end cover 15, the output end of the second motor 33 is connected with the input end of the second speed reducer 34, the output end of the second speed reducer 34 is coaxially and fixedly connected with one of the rotating rings 35, and a reciprocating mechanism for enabling the moving rod 39 to move towards the cylindrical filter screen 2 is arranged on the rotating rings 35, more specifically, the reciprocating mechanism comprises a protruding block 36 fixedly arranged on the inner wall of the rotating ring 35, an impact piece 38 is fixedly connected to the end, facing the rotating ring 35, of the moving rod 39, and the impact piece 38 is connected with the fixing ring 37 through a pressure spring 41.
In the invention, after the differential pressure sensor detects that the differential pressure signal reaches a preset value, the second motor 33 is started, the rotating ring 35 is driven to rotate after the speed reduction action of the second speed reducer 34, the convex block 36 rotates along with the rotating ring 35, as shown in fig. 7, after the convex block 36 contacts with the impact sheet 38, the moving rod 39 is pushed to move towards the cylindrical filter screen 2, the moving rod 39 drives the arc-shaped plate 40 to move towards the cylindrical filter screen 2, and finally, the brush hair 5 can be inserted into the filtering gap of the cylindrical filter screen 2, so that the brush hair 5 can impact the stubborn impurities and the like clamped in the filtering gap of the cylindrical filter screen 2, the impurities and the like which are difficult to be automatically sucked can also be separated from the cylindrical filter screen 2 and smoothly discharged, and the dirt sucking effect and the dirt sucking quality are ensured; when the bump 36 is disengaged from the striking plate 38, the movable rod 39 is returned with the bristles 5 by the action of the compression spring 41.
Example 3
As shown in fig. 6 and 8, a dirt suction device of a filter for farm irrigation comprises a housing 1 and an end cover 15 installed at one end of the housing 1, wherein a cylindrical filter screen 2 is fixedly arranged inside the housing 1, a dirt suction pipe 29 is coaxially arranged inside the cylindrical filter screen 2, at least two dirt suction branch pipes 32 are arranged on the dirt suction pipe 29, the open ends of the dirt suction branch pipes 32 are close to the inner wall of the cylindrical filter screen 2, the dirt suction pipe 29 is communicated with a dirt discharge pipe 27, the dirt discharge pipe 27 extends out of the housing 1, a dirt discharge valve 28 is installed on the dirt discharge pipe 27, a filter screen impurity separation device for separating impurities adsorbed on the cylindrical filter screen 2 is arranged between the inside of the housing 1 and the outer surface of the cylindrical filter screen 2, the filter screen impurity separation device can move bristles 5 arranged outside the cylindrical filter screen 2 towards the surface of the cylindrical filter screen 2 so that the bristles 5 can contact the surface of the cylindrical filter screen 2, a water inlet pipe 3 is communicated with the cylindrical filter screen 2, and a water outlet pipe 4 is communicated with the shell 1.
In the invention, a water inlet pipe 3 is communicated with an external water source, water enters a cylindrical filter screen 2 through the water inlet pipe 3, impurities in the water are filtered by the cylindrical filter screen 2 and then discharged to the outside of the cylindrical filter screen 2, and finally discharged through a water outlet pipe 4 for field irrigation, when more and more impurities and the like are intercepted on the inner wall of the cylindrical filter screen 2, pressure difference is generated between the inside and the outside of the cylindrical filter screen 2, a pressure difference sensor positioned in a shell 1 detects that a pressure difference signal reaches a preset value, a blow-off valve 28 is started to be in an open state, as shown in figure 4, the impurities and the like adhered on the inner wall of the cylindrical filter screen 2 are sucked into a sewage suction branch pipe 32 and then enter a sewage suction pipe 29, finally the impurities and the like adhered on the inner wall of the cylindrical filter screen 2 are discharged through a blow-off pipe 27, and a filter screen impurity separation device is synchronously, the filter screen impurity disengaging gear drives the brush hair 5 to contact with the outer surface of the cylindrical filter screen 2 and impact the outer surface of the cylindrical filter screen 2 from outside to inside, so that the brush hair 5 can be inserted into the filtering gap of the cylindrical filter screen 2, the brush hair 5 can bump impurities stuck in the filtering gap of the cylindrical filter screen 2, the impurities which are difficult to automatically suck can also be disengaged from the cylindrical filter screen 2 and smoothly discharged, and the dirt sucking effect and the dirt sucking quality are ensured.
Specifically, the filter screen impurity separation device comprises at least two fixing rings 37 fixedly arranged outside the cylindrical filter screen 2, a moving rod 39 is movably passed through the fixing rings 37, the moving rod 39 is arranged along the radial direction of the cylindrical filter screen 2, the moving rod 39 faces the end part of the cylindrical filter screen 2 and is fixedly connected with an arc plate 40, the bristles 5 are arranged on the arc plate 40, rotating rings 35 are coaxially arranged outside the fixing rings 37, the adjacent rotating rings 35 are fixedly connected with each other through fixing rods 42, a second speed reducer 34 and a second motor 33 are arranged on the outer surface of the end cover 15, the output end of the second motor 33 is connected with the input end of the second speed reducer 34, the output end of the second speed reducer 34 is coaxially and fixedly connected with one of the rotating rings 35, and a reciprocating mechanism for enabling the moving rod 39 to move towards the cylindrical filter screen 2 is arranged on the rotating rings 35, further specifically, reciprocating motion mechanism is including fixed setting in first magnet 43 and the fixed connection of rotating ring 35 inner wall are in the second magnet 44 of carriage release lever 39 tip, and the opposite setting of magnetic pole direction of adjacent second magnet 44, and first magnet 43 has corresponding coincidence position, preferred with second magnet 44 when following rotating ring 35 and rotating, first magnet 43 with second magnet 44 is neodymium iron boron magnet.
In the present invention, after the differential pressure sensor detects that the differential pressure signal reaches the predetermined value, the second motor 33 is activated, the rotating ring 35 is driven to rotate through the deceleration action of the second decelerator 34, the protruding block 36 rotates along with the rotating ring 35, as shown in fig. 8, when the first magnet 43 rotates along with the rotating ring 35, the first magnet 43 and the second magnet 44 have corresponding overlapping positions, and because the magnetic poles of the adjacent second magnets 44 are arranged in opposite directions, the first magnet 43 and the part of the second magnet 44 have the same facing magnetic poles, and the first magnet 43 and the part of the second magnet 44 repel each other, so that the second magnet 44 moves away from the first magnet 43 and towards the cylindrical filter screen 2, thereby moving the brush 5 towards the cylindrical filter screen 2, of course, the first magnet 43 and the other part of the second magnet 44 have opposite facing magnetic poles, and the two magnets attract each other, thereby moving the second magnet 44 towards the first magnet 43 and away from the cylindrical filter screen 2, thereby take brush hair 5 to keep away from tube-shape filter screen 2 and remove, then realized brush hair 5 for tube-shape filter screen 2's reciprocating motion when first magnet 43 rotates along with swivel 35, finally make brush hair 5 can insert in tube-shape filter screen 2's the filtration gap, thereby make brush hair 5 will stubborn card impurity etc. in tube-shape filter screen 2's the filtration gap by the striking, thereby make these impurity etc. that are difficult to automatic being siphoned off also can break away from tube-shape filter screen 2 and smoothly be discharged, guaranteed soil pick-up effect and soil pick-up quality.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A filter dirt absorbing device for field irrigation is characterized by comprising a shell (1) and an end cover (15) arranged at one end of the shell (1), wherein a cylindrical filter screen (2) is fixedly arranged inside the shell (1), a dirt absorbing pipe (29) is coaxially arranged inside the cylindrical filter screen (2), at least two dirt absorbing branch pipes (32) are arranged on the dirt absorbing pipe (29), the open ends of the dirt absorbing branch pipes (32) are close to the inner wall of the cylindrical filter screen (2), the dirt absorbing pipe (29) is communicated with a sewage discharging pipe (27), the sewage discharging pipe (27) extends out of the shell (1), a sewage discharging valve (28) is arranged on the sewage discharging pipe (27), and a filter screen impurity separating device for separating impurities adsorbed on the cylindrical filter screen (2) is arranged between the inside of the shell (1) and the outer surface of the cylindrical filter screen (2), filter screen impurity disengaging gear can move brush hair (5) that set up in tube-shape filter screen (2) outside towards the surface of tube-shape filter screen (2) so that brush hair (5) can with the surface contact of tube-shape filter screen (2), an inlet tube (3) with tube-shape filter screen (2) switch-on, an outlet pipe (4) with casing (1) switch-on.
2. A filter soil pick-up device for farmland irrigation according to claim 1, wherein the filter net impurity disengaging means comprises fixing shafts (7) uniformly arranged outside the cylindrical filter net (2) along the circumferential direction of the cylindrical filter net (2), adjacent fixing shafts (7) are fixedly connected with each other through arc-shaped rods (6), shaft sleeves (8) are rotatably connected with the fixing shafts (7), L-shaped rods (9) are fixedly connected with the shaft sleeves (8), the L-shaped rods (9) on two adjacent shaft sleeves (8) are fixedly connected with each other through a connecting plate (10), the brush hairs (5) are arranged on the connecting plates (10), when one of the shaft sleeves (8) rotates around the fixing shaft (7), the other adjacent shaft sleeve (8) can rotate around the fixing shaft (7) through the transmission action of the L-shaped rods (9) and the connecting plate (10), when the connecting plate (10) moves along with the cylindrical filter screen (2) and approaches the cylindrical filter screen, the bristles (5) are in contact with the outer surface of the cylindrical filter screen (2), and one shaft sleeve (8) is driven by a rotary driving mechanism to rotate around a fixed shaft (7).
3. A filter soil pick-up device for farmland irrigation according to claim 2, wherein the rotary driving mechanism comprises a driven sprocket (14) fixedly arranged on one of the shaft sleeves (8), a sealing cover body (11) fixedly arranged on the outer surface of the end cover (5), a rotating shaft (19) rotatably arranged in the sealing cover body (11), a driving sprocket arranged on the rotating shaft (19), and a chain for connecting the driven sprocket (14) and the driving sprocket, a first speed reducer (17) and a first motor (18) are arranged outside the sealing cover body (11), the output end of the first motor (18) is connected with the input end of the first speed reducer (17), and the output end of the first speed reducer (17) is fixedly connected with the rotating shaft (19).
4. The filter dirt absorbing device for farmland irrigation as claimed in claim 3, wherein the end cap (15) is fixedly connected with a threaded sleeve (30), an internal thread is formed in the threaded sleeve (30), an external thread part is formed on part of the surface of the dirt absorbing pipe (29), the dirt absorbing pipe (29) penetrates through the threaded sleeve (30) to be connected with the internal thread, one end of the dirt absorbing pipe (29) extends into the sealing cover body (11), the dirt discharging pipe (27) is rotatably connected with the wall body of the sealing cover body (11), the dirt discharging pipe (27) and the dirt absorbing pipe (29) are coaxially sleeved through a flat key (31) to realize synchronous rotation and relative transverse movement of the dirt absorbing pipe (29), and the dirt discharging pipe (27) is driven by a forward and reverse rotation driving mechanism to perform alternate forward and reverse rotation movement.
5. The filter soil pick-up device for agricultural irrigation of claim 4, the positive and negative rotation driving mechanism comprises an incomplete gear (20) arranged on the rotating shaft (19), a first gear (21) and a second gear (24) which are rotationally connected with the sealing cover body (11), the incomplete gear (20) is in alternate meshed connection with a first gear (21) and a second gear (24), the first gear (21) is coaxially connected with a first driving bevel gear (22), the second gear (24) is coaxially connected with a second driving bevel gear (25), a first driven bevel gear (23) and a second driven bevel gear (26) are fixedly arranged on the sewage discharge pipe (27), the first driven bevel gear (23) and the second driven bevel gear (26) are respectively in meshed connection with the first driving bevel gear (22) and the second driving bevel gear (25).
6. The filter soil pick-up device for farmland irrigation as claimed in claim 1, wherein the filter screen impurity disengaging device comprises at least two fixing rings (37) fixedly arranged at the outer part of the cylindrical filter screen (2), a moving rod (39) movably penetrates through the fixing rings (37), the moving rod (39) is arranged along the radial direction of the cylindrical filter screen (2), an arc-shaped plate (40) is fixedly connected to the end part of the moving rod (39) facing the cylindrical filter screen (2), the bristles (5) are arranged on the arc-shaped plate (40), rotating rings (35) are coaxially arranged at the outer part of the fixing rings (37), adjacent rotating rings (35) are mutually and fixedly connected through fixing rods (42), a second speed reducer (34) and a second motor (33) are arranged on the outer surface of the end cover (15), and the output end of the second motor (33) is connected with the input end of the second speed reducer (34), the output end of the second speed reducer (34) is coaxially and fixedly connected with one of the rotating rings (35), and a reciprocating mechanism used for enabling the moving rod (39) to move towards the cylindrical filter screen (2) is arranged on the rotating ring (35).
7. A filter soil pick-up device for farmland irrigation according to claim 6, wherein the reciprocating mechanism comprises a convex block (36) fixedly arranged on the inner wall of the rotating ring (35), the end of the moving rod (39) facing the rotating ring (35) is fixedly connected with an impact sheet (38), and the impact sheet (38) is connected with the fixed ring (37) through a compression spring (41).
8. A filter soil pick-up device for farmland irrigation according to claim 6 wherein the reciprocating means comprises a first magnet (43) fixedly disposed on the inner wall of the rotary ring (35) and a second magnet (44) fixedly attached to the end of the moving rod (39), the adjacent second magnets (44) having opposite magnetic poles, and the first magnet (43) having a corresponding position with the second magnet (44) when following the rotation of the rotary ring (35).
9. A filter soil pick-up device for agricultural irrigation according to claim 8 wherein the first magnet (43) and the second magnet (44) are neodymium iron boron magnets.
10. A filter soil pick-up device for agricultural irrigation according to any one of claims 1 to 9 wherein the end cap (15) is mounted to one end of the housing (1) by means of a bolt assembly (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011134831.XA CN112546697A (en) | 2020-10-21 | 2020-10-21 | A filter soil pick-up device for field irrigation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011134831.XA CN112546697A (en) | 2020-10-21 | 2020-10-21 | A filter soil pick-up device for field irrigation |
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| CN112546697A true CN112546697A (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011134831.XA Withdrawn CN112546697A (en) | 2020-10-21 | 2020-10-21 | A filter soil pick-up device for field irrigation |
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| CN113769449A (en) * | 2021-09-16 | 2021-12-10 | 兴源环境科技股份有限公司 | Filter cloth and quick belt cleaning device of filter plate for filter press |
| CN114876427A (en) * | 2022-04-22 | 2022-08-09 | 龙沃科技开发有限公司 | Wax control scale control water injection manifold that integrates and have filter and valves |
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