CN117514937B - Anti-blocking slurry pump - Google Patents
Anti-blocking slurry pump Download PDFInfo
- Publication number
- CN117514937B CN117514937B CN202410015703.5A CN202410015703A CN117514937B CN 117514937 B CN117514937 B CN 117514937B CN 202410015703 A CN202410015703 A CN 202410015703A CN 117514937 B CN117514937 B CN 117514937B
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- Prior art keywords
- pump
- bevel gear
- filter cover
- tube
- servo motor
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- 239000002002 slurry Substances 0.000 title claims abstract description 40
- 239000000463 material Substances 0.000 claims abstract description 28
- 238000005086 pumping Methods 0.000 claims abstract description 24
- 238000004140 cleaning Methods 0.000 claims abstract description 23
- 238000001914 filtration Methods 0.000 claims abstract description 19
- 239000011229 interlayer Substances 0.000 claims abstract description 10
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 59
- 238000007790 scraping Methods 0.000 claims description 18
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009987 spinning Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 description 9
- 241001417527 Pempheridae Species 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 230000009471 action Effects 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
- 230000000694 effects Effects 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0077—Safety measures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
Abstract
The invention relates to the technical field of non-positive displacement pump bodies, and discloses an anti-blocking slurry pump, which comprises a material conveying component and a driving component, wherein the material conveying component comprises a pump pipe and a material discharging pipe which is integrally formed and arranged at the top end of the side wall of the pump pipe, an interlayer which is communicated with the material discharging pipe is arranged in the wall of the pump pipe, in addition, a pumping component and a filter cover are sequentially arranged at the bottom end of the pump pipe from top to bottom, a roller shaft penetrates through the pumping component and is connected with a dredging component which is movably arranged in the inner cavity of the filter cover, and a cleaning component which can rotate along the periphery of the filter cover is fixedly sleeved at the bottom end of the roller shaft; when the filtering holes on the surface of the filtering cover are blocked by dirt, the deformation part is automatically controlled to deform, the piston rods repeatedly extend and retract along with the continuous rotation of the telescopic piece around the shaft to impact dirt in the filtering holes one by one, and the cleaning assembly which is positioned on the periphery of the filtering cover and is connected to the bottom end of the roller shaft coaxially rotates along with the roller shaft to cut off and scrape dirt pushed out of the filtering holes by the impact of the piston rods.
Description
Technical Field
The invention relates to the technical field of non-positive displacement pump bodies, in particular to an anti-blocking slurry pump.
Background
In the oilfield drilling process, a mud pump plays a critical role and is responsible for pumping mud in the well; however, the pumped mud often contains various large-particle impurities, and the impurities are very easy to cause the blockage of the mud pump, so that the normal operation of drilling work is influenced, and the working efficiency is reduced, therefore, the method for ensuring that the mud pump is unobstructed has important significance for ensuring the smooth running of drilling engineering;
the invention patent of China, publication No. CN114198315B, discloses an anti-blocking slurry pump, which comprises a supporting component, a pump material component and an anti-blocking component, the pump material component comprises a first motor, a coupler, an impeller and a supporting rod, the impeller can be driven to rotate when the supporting rod rotates, the first motor rotates to drive the supporting rod and the impeller to rotate through the coupler, the anti-blocking component comprises a filter cover, a connecting rod, a brush rod and an outer sweeper, large-size particles can be isolated outside the filter cover through the filter cover, blocking caused in a shell is avoided, the supporting rod drives the connecting rod and the brush rod to move, so that the inner side of the filter cover can be continuously rotated to be cleaned, blocking is avoided, the outer sweeper is rotationally arranged outside the filter cover, impurities outside the filter cover are cleaned, blocking is further prevented, impurities in slurry can be continuously filtered in the working process of the slurry pump, and the slurry pump is prevented from being blocked.
However, regarding such anti-blocking slurry pump and the anti-blocking method thereof provided at present, certain disadvantages still exist: the brush rod arranged in the filter cover and the external outer cleaner respectively clean impurities along the inner wall and the outer wall of the cover, so that the possibility that the filter cover is blocked by mud is relieved to a certain extent, but the cleaning surface of the brush rod or the external cleaner cannot touch the inside of a filter hole of the filter cover, and accumulated mud blocks or impurities can block the filter hole to reduce the flow property of the filter cover; in addition, the output shaft of the motor drives the support rod, the brush rod and the outer sweeper to rotate through the coupler, so that the load of the motor is large, and the output power of the motor is mostly used for cleaning impurities on the inner wall and the outer wall of the cover, so that the efficiency of the slurry pump for pumping the material part is low.
Thus, a new anti-clogging slurry pump is needed.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides an anti-blocking slurry pump, which is used for solving the problems that a cleaning surface of a brush rod or an outer cleaner cannot touch the inside of a filter hole of a filter cover in the prior art, and accumulated slurry blocks or impurity substances can block the filter hole to reduce the flow property of the filter cover; in addition, the output shaft of the motor drives the support rod, the brush rod and the outer sweeper to rotate through the coupler, so that the load of the motor is large, and the output power of the motor is mostly used for cleaning impurities on the inner wall and the outer wall of the cover, so that the slurry pump is used for pumping the problem that the efficiency of the material part is low.
The invention provides the following technical scheme: the anti-blocking slurry pump comprises a material conveying component and a driving component, wherein the material conveying component comprises a pump pipe and a material discharging pipe which is integrally formed and arranged at the top end of the side wall of the pump pipe, an interlayer which is communicated with the material discharging pipe is arranged in the wall of the pump pipe, the driving component comprises a first servo motor arranged on the outer top wall of the pump pipe and a coupler fixedly sleeved on an output shaft of the first servo motor, the coupler movably penetrates through a central through cavity of the pump pipe and is fixedly connected with a roller shaft, in addition, a pumping component and a filter cover are sequentially arranged at the bottom end of the pump pipe from top to bottom, the roller shaft penetrates through the pumping component and is connected with a dredging component movably arranged in the inner cavity of the filter cover, a cleaning component which can rotate along the periphery of the filter cover is fixedly sleeved at the bottom end of the roller shaft, and a lining table arranged on the pumping component and the filter cover is arranged at the periphery of the cleaning component;
the bottom of the lining table is provided with a mud sensor for detecting the existence of mud, a flow detector for detecting the flow of discharged mud is arranged in the discharge pipe, and a controller is also arranged at the top end of the outer side wall of the pump pipe;
the dredging component comprises a transmission case, a double-end bevel gear tube, a single-end bevel gear rod and a shape changing part, wherein the transmission case is fixedly sleeved on the surface of a roll shaft in the inner cavity of the filter cover, the bottom end of the transmission case is movably sleeved with the double-end bevel gear tube which can spin around the surface of the roll shaft, namely, the double-end bevel gear tube is movably penetrated by the roll shaft, the periphery of the top end of the double-end bevel gear tube is meshed with the inner end of the single-end bevel gear rod, the single-end bevel gear rod is movably sleeved on the periphery of the side wall of the transmission case, the shape changing part attached to the inner wall of the filter cover is arranged at the outer end of the single-end bevel gear rod, and in addition, the double-end bevel gear tube movably penetrates through the bottom wall of the filter cover.
Further, the dredging assembly further comprises a transmission gear, a third servo motor and a mud guard, wherein the transmission gear is meshed with the bottom end of a double-end bevel gear tube penetrating through the bottom wall of the filter housing, the transmission gear is fixedly sleeved with an output shaft of the third servo motor, the transmission gear is arranged at the bottom of an inner cavity of the mud guard, the mud guard is fixedly sleeved on a roll shaft positioned on the bottom surface of the filter housing, the transmission gear, the third servo motor and the bottom end of the double-end bevel gear tube are covered in the inner cavity of the mud guard, the driving of the third servo motor is avoided, the dredging assembly always rotates along with the coaxial rotation of the roll shaft sleeved with the transmission gear, and when the third servo motor drives the third servo motor, the transmission gear which rotates drives the double-end bevel gear tube meshed with the third servo motor to spin around the roll shaft, the double-end bevel gear tube drives a single-end bevel gear rod meshed with the top of the double-end bevel gear tube and a shape changing part arranged at the outer end of the single-end bevel gear rod to jointly drive, and the shape changing part changes from the vertical direction of the rotation of the bevel gear tube along a limit port of the side wall of the transmission box.
Further, the connection relation between the double-end bevel gear tube and the bottom wall of the transmission case and between the single-end bevel gear rod and the side wall of the transmission case are specifically set to be movable clamping connection, so that the double-end bevel gear tube and the single-end bevel gear rod can have rotating properties and cannot slip from the transmission case.
Further, trade shape portion includes lamina, extensible member, lifting rack, connecting rod and baffle, wherein lamina fixed mounting is at the outer end of single-end awl toothed bar, be provided with transversely and vertically in the lamina and be used for carrying out the extensible member of dredging to filtering cover surface filtration pore, the lamina is close to one side activity that single-end awl toothed bar has cup jointed lifting rack, the top of lifting rack carries out fixed connection through the top of connecting rod and baffle, the baffle keeps off the expansion end at the extensible member.
Further, the shape changing part further comprises an elastic scraping plate, a second servo motor and a driving gear, wherein the elastic scraping plate is fixedly connected to the outer side wall of the baffle and clings to the inner side wall of the filter cover, the second servo motor is arranged at the top end of the inside of the blade, and the output end of the second servo motor is fixedly sleeved with the driving gear meshed with the lifting rack.
Further, the telescopic piece comprises a tube bore, a piston rod and a spring, wherein the tube bore is fixedly arranged in the blade plate, the piston rod is movably sleeved in the inner cavity of the tube bore, and the inner cavity of the tube bore is in transmission connection with the top end of the piston rod through the spring.
Further, the filtering holes formed in the bottom wall and the side wall of the filtering cover correspond to the running track of the telescopic piece when the shape changing part is in the dredging mode, so that the telescopic piece repeatedly stretches and contracts to impact dirt in each filtering hole one by one.
Further, the cleaning component comprises an L-shaped scraping strip and an arc-shaped slice, wherein the L-shaped scraping strip is fixedly connected to the bottom end of the roller shaft, the arc-shaped slice attached to the outer wall of the filter cover is fixedly connected to the inner side of the L-shaped scraping strip, which is positioned on the periphery of the filter cover, so that the cleaning component can impact the piston rod to push dirt out of the filter hole to cut off and scrape the dirt.
Further, the pumping assembly comprises a pump feed box and an impeller, wherein the pump feed box is fixedly arranged on the outer bottom wall of the pump pipe, the impeller fixedly sleeved on the roller shaft is arranged in the inner cavity of the pump feed box, and the inner cavity of the pump feed box is communicated with the interlayer of the pump pipe, so that the roller shaft and the impeller can coaxially rotate along the inner cavity of the pump feed box to form upward vortex so as to convey slurry from the filter cover into the interlayer of the pump pipe through the pump feed box.
Further, the filter cover is fixedly connected to the bottom of the pump material box, and the filter cover is communicated with the inner cavity of the pump material box.
The invention has the technical effects and advantages that:
the invention is beneficial to arranging the shape changing part at the periphery of the transmission box at an inclination angle when vortex drainage is carried out by arranging the dredging component, so that the impeller and the dredging component carry out high-power pumping in a double-vortex mode, when the filtering holes on the surface of the filtering cover are blocked by dirt, the shape changing part is automatically controlled to change shape, along with the continuous rotation of the telescopic piece around the shaft, the piston rods repeatedly stretch and contract to impact dirt in the filtering holes one by one, and the cleaning component which is arranged at the periphery of the filtering cover and connected at the bottom end of the roll shaft coaxially rotates along with the roll shaft, cuts off and scrapes dirt pushed out of the filtering holes by the impact of the piston rods, thereby maintaining the high-power pumping capacity of the slurry pump.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the whole structure and a partial cross section of the present invention;
FIG. 3 is a schematic view of the remaining structure of the present invention of FIG. 2 with the material handling assembly and drive assembly removed;
FIG. 4 is a schematic view of the connection structure of the roll shaft and filter housing and the cleaning assembly of the present invention;
FIG. 5 is a schematic view of the connection structure of the roller and the cleaning assembly of the present invention;
FIG. 6 is a schematic cross-sectional view of a roller and pull through assembly of the present invention;
fig. 7 is a schematic cross-sectional view of a shape-changing part according to the present invention.
The reference numerals are: 1. a material conveying component; 101. a pump tube; 102. a discharge pipe; 2. a drive assembly; 201. a first servo motor; 202. a coupling; 3. a roll shaft; 4. a pumping assembly; 401. a pump feed box; 402. an impeller; 5. a filter cover; 6. a dredging assembly; 601. a transmission case; 602. double-ended bevel gear tube; 603. a single-ended tapered toothed bar; 604. a shape changing part; 6041. a blade; 6042. a telescoping member; 60421. a tube bore; 60422. a piston rod; 60423. a spring; 6043. lifting the rack; 6044. a connecting rod; 6045. a baffle; 6046. an elastic splash guard; 6047. a second servo motor; 6048. a drive gear; 605. a transmission gear; 606. a third servo motor; 607. a mud guard; 7. cleaning the assembly; 701. l-shaped scraping strips; 702. arc slicing; 8. a backing table; 9. a mud sensor; 10. a flow detector; 11. and a controller.
Detailed Description
The embodiments of the present invention will be described more fully with reference to the accompanying drawings, and the embodiments of the present invention are not limited to the embodiments described in the following, but all other embodiments of the present invention, which are not intended to be inventive, are intended to be included in the scope of the present invention.
Referring to fig. 1-7, the invention provides an anti-blocking slurry pump, which comprises a material conveying component 1 and a driving component 2, wherein the material conveying component 1 comprises a pump pipe 101 and a material discharging pipe 102 which is integrally formed and arranged at the top end of the side wall of the pump pipe 101, a interlayer which is communicated with the material discharging pipe 102 is arranged in the wall body of the pump pipe 101, the driving component 2 comprises a first servo motor 201 arranged at the outer top wall of the pump pipe 101 and a coupler 202 fixedly sleeved on the output shaft of the first servo motor 201, the coupler 202 movably penetrates through the central through cavity of the pump pipe 101 and then is fixedly connected with a roll shaft 3, in addition, the bottom end of the pump pipe 101 is sequentially provided with a pumping component 4 and a filter cover 5 from top to bottom, the roll shaft 3 penetrates through the pumping component 4 and then is connected with a dredging component 6 which is movably arranged in the inner cavity of the filter cover 5, the bottom end of the roll shaft 3 is fixedly sleeved with a cleaning component 7 which can rotate along the peripheral circumference of the filter cover 5, and the periphery of the cleaning component 7 is provided with a lining table 8 which is arranged on the pumping component 4 and the filter cover 5;
the bottom of the lining table 8 is provided with a mud sensor 9 for detecting the existence of mud, a flow detector 10 for detecting the flow of discharged mud is arranged in the discharge pipe 102, and a controller 11 is also arranged at the top end of the outer side wall of the pump pipe 101.
In this embodiment, it is to be specifically explained that an adjusting bracket for adjusting the lifting depth of the slurry pump in the oil well is further installed on the outer side wall of the pump pipe 101, which is a conventional technical means for those skilled in the art, and this implementation is not described here in detail.
Referring to fig. 2 and 3, the pumping unit 4 includes a pump box 401 and an impeller 402, wherein the pump box 401 is fixedly installed on the outer bottom wall of the pump pipe 101, the impeller 402 fixedly sleeved on the roller shaft 3 is provided in the inner cavity of the pump box 401, and the inner cavity of the pump box 401 is communicated with the interlayer of the pump pipe 101, so that the roller shaft 3 and the impeller 402 can coaxially rotate along the inner cavity of the pump box 401 to form an upward vortex so as to convey slurry from the filter cover 5 into the interlayer of the pump pipe 101 through the pump box 401;
the filter cover 5 is fixedly connected to the bottom of the pump material box 401, and the filter cover 5 is communicated with the inner cavity of the pump material box 401.
Referring to fig. 3-7, the dredging assembly 6 comprises a transmission case 601, a double-ended tapered gear tube 602, a single-ended tapered gear rod 603 and a shape changing part 604, wherein the transmission case 601 is fixedly sleeved on the surface of a roll shaft 3 positioned in an inner cavity of a filter cover 5, the bottom end of the transmission case 601 is movably sleeved with the double-ended tapered gear tube 602 which can spin around the surface of the roll shaft 3, namely, the double-ended tapered gear tube 602 is movably penetrated by the roll shaft 3, the periphery of the top end of the double-ended tapered gear tube 602 is meshed with the inner end of the single-ended tapered gear rod 603, the single-ended tapered gear rod 603 is movably sleeved on the periphery of the side wall of the transmission case 601, the shape changing part 604 attached to the inner wall of the filter cover 5 is arranged at the outer end of the single-ended tapered gear rod 603, and in addition, the double-ended tapered gear tube 602 movably penetrates through the bottom wall of the filter cover 5;
the connection relationship between the double-end bevel gear tube 602 and the bottom wall of the transmission case 601 and the connection relationship between the single-end bevel gear rod 603 and the side wall of the transmission case 601 are specifically set to be movable clamping connection, so that the double-end bevel gear tube 602 and the single-end bevel gear rod 603 can have a rotating property and cannot slip from the transmission case 601;
the dredging assembly 6 further comprises a transmission gear 605, a third servo motor 606 and a mud guard 607, wherein the transmission gear 605 is meshed with the bottom end of a double-end bevel gear tube 602 penetrating through the bottom wall of the filter housing 5, the transmission gear 605 is fixedly sleeved with an output shaft of the third servo motor 606, the transmission gear 605 is arranged at the bottom of an inner cavity of the mud guard 607, the mud guard 607 is fixedly sleeved on a roll shaft 3 positioned at the bottom surface of the filter housing 5, the transmission gear 605, the third servo motor 606 and the bottom end of the double-end bevel gear tube 602 are covered in the inner cavity of the mud guard 607, the driving of the third servo motor 606 is avoided by mud, and the dredging assembly 6 always rotates along with the coaxial rotation of the roll shaft 3 sleeved with the transmission gear 605, and when the third servo motor 606 is driven, the transmission gear 605 is meshed with the bottom end of the double-end bevel gear tube 602, the double-end bevel gear tube 602 meshed with the transmission gear 605 is driven to rotate around the 3, and the spinning double-end bevel gear tube 602 is driven to drive a single-end bevel gear rod 603 meshed with the top of the double-end bevel gear tube and a gear 604 arranged at the outer end of the single-end bevel gear rod 603, so that the inclination angle of the common gear 604 is changed along the direction of the rotation direction of the spiral casing 601 when the driving is changed along the direction of the rotation direction of the side wall of the spiral casing;
the shape changing part 604 comprises a blade 6041, a telescopic piece 6042, a lifting rack 6043, a connecting rod 6044 and a baffle 6045, wherein the blade 6041 is fixedly arranged at the outer end of the single-head conical toothed bar 603, the telescopic piece 6042 which is transversely and longitudinally arranged and used for dredging the filtering holes on the surface of the filtering cover 5 is arranged in the blade 6041, the lifting rack 6043 is movably sleeved on one side of the blade 6041, close to the single-head conical toothed bar 603, of the blade 6041, the top end of the lifting rack 6043 is fixedly connected with the top end of the baffle 6045 through the connecting rod 6044, and the baffle 6045 is blocked at the movable end of the telescopic piece 6042;
the shape changing part 604 further comprises an elastic scraping plate 6046, a second servo motor 6047 and a driving gear 6048, wherein the elastic scraping plate 6046 is fixedly connected to the outer side wall of the baffle 6045 and is clung to the inner side wall of the filter cover 5, the second servo motor 6047 is arranged at the top end inside the blade 6041, and the output end of the second servo motor 6047 is fixedly sleeved with the driving gear 6048 meshed with the lifting rack 6043;
the telescopic piece 6042 comprises a tube chamber 60421, a piston rod 60422 and a spring 60423, wherein the tube chamber 60421 is fixedly arranged in the blade 6041, the inner cavity of the tube chamber 60421 is movably sleeved with the piston rod 60422, and the inner cavity of the tube chamber 60421 is in transmission connection with the top end of the piston rod 60422 through the spring 60423;
the filter holes formed on the bottom wall and the side wall of the filter cover 5 correspond to the running track of the telescopic piece 6042 under the dredging mode of the shape changing part 604, so that the telescopic piece 6042 repeatedly stretches and contracts to impact dirt in each filter hole one by one;
the cleaning assembly 7 comprises an L-shaped scraping strip 701 and an arc-shaped slice 702, wherein the L-shaped scraping strip 701 is fixedly connected to the bottom end of the roller shaft 3, the arc-shaped slice 702 attached to the outer wall of the filter cover 5 is fixedly connected to the inner side of the L-shaped scraping strip 701 positioned on the periphery of the filter cover 5, and the rotating cleaning assembly 7 is used for cutting off and scraping dirt pushed out of a filter hole by impacting the piston rod 60422.
The working principle of the invention is as follows:
s1, pumping: when the slurry sensor 9 arranged at the bottom of the lining table 8 touches and detects slurry, and the filter cover 5 and the pumping assembly 4 are judged to gradually reach the slurry layer, the slurry sensor 9 outputs slurry judging information to the controller 11, the controller 11 receives the slurry judging information and outputs a control command for the first servo motor 201, the output shaft of the first servo motor 201 is controlled to drive the roll shaft 3 connected with the output shaft to rotate through the coupling 202, and then the impeller 402 and the dredging assembly 6 connected with the bottom end of the roll shaft 3 respectively coaxially rotate along the pump box 401 and the inner cavity of the filter cover 5, and as the shape changing part 604 is arranged at the periphery of the transmission box 601 in a vortex drainage mode, the impeller 402 and the dredging assembly 6 perform high-power pumping in a double vortex mode, slurry enters the inner cavity of the filter cover 5 from the filter holes on the surface of the filter cover 5, and is discharged to the outside from the discharge pipe 102 through the pump box 401 and the pump pipe 101, so as to perform continuous pumping operation on the slurry;
s2, a blockage detection stage: as the slurry pump is performed, the flow rate detector 10 provided in the discharge pipe 102 detects the flow rate of the discharged slurry, and when the flow rate of the discharged slurry reaches the minimum flow rate threshold value preset by the flow rate detector 10, it is determined that the filter holes on the surface of the filter cover 5 are gradually clogged with dirt at this time, the flow rate detector 10 outputs flow rate determination information to the controller 11, and the controller 11 receives the flow rate determination information and the pump determination information at the same time and outputs control instructions to the third servo motor 606 and the second servo motor 6047;
s3, a shape changing stage: the control instruction output by the controller 11 is received through the third servo motor 606, then the output shaft of the third servo motor 606 drives the transmission gear 605 connected with the third servo motor to rotate, as the transmission gear 605 is meshed with the bottom end of the double-end bevel gear tube 602, the transmission gear 605 which rotates drives the double-end bevel gear tube 602 meshed with the transmission gear 605 to spin around the roll shaft 3, the spinning double-end bevel gear tube 602 drives the single-end bevel gear rod 603 meshed with the periphery of the top of the double-end bevel gear tube and the shape changing part 604 arranged at the outer end of the single-end bevel gear rod 603 to jointly drive, so that the shape changing part 604 rotates to the vertical direction from the dip angle when vortex drainage is carried out along the limit opening of the side wall of the transmission box 601, and then the third servo motor 606 stops driving; the control instruction output by the controller 11 is received through the second servo motor 6047, then the output shaft of the second servo motor 6047 drives the driving gear 6048 connected with the second servo motor 6047 to rotate, the rotating driving gear 6048 drives the lifting rack 6043 fitted with the second servo motor to gradually lift, so that the connected lifting rack 6043, the connecting rod 6044 and the baffle 6045 jointly move upwards, the baffle 6045 does not shade the telescopic piece 6042 transversely arranged in the blade 6041 any more, then the outer end of the piston rod 60422 loses the check of the baffle 6045, and the piston rod 60422 stretches outwards along the tube bore 60421 under the action of elastic potential energy of the spring 60423;
s4, dredging: after the deformation, the dredging assembly 6 still rotates coaxially with the sleeved roller shaft 3, then the telescopic members 6042 transversely and longitudinally arranged in the blade 6041 are clung to the side wall and the bottom wall of the inner cavity of the filter housing 5 to rotate around the shaft, as the piston rod 60422 is arranged in the inner cavity of the tube cavity 60421 through the transmission of the spring 60423, then when the telescopic members 6042 pass through the filter holes arranged on the surface of the filter housing 5, the piston rod 60422 is stamped into the filter holes under the action of elastic potential energy of the spring 60423, dirt in the filter holes is pushed to the outside of the filter housing 5, the telescopic members 6042 continue to rotate, the end heads of the piston rods 60422 move from the filter holes to the solid walls between the adjacent filter holes on the surface of the filter housing 5, then the piston rods 60422 gradually compress the spring 60423 upwards to retract into the inner cavity of the tube cavity 60421, and the piston rods 60422 repeatedly expand and contract one by one with the continuous rotation around the shaft of the telescopic members 6042;
s5, cutting: the cleaning component 7 which is positioned at the periphery of the filter cover 5 and connected with the bottom end of the roll shaft 3 rotates coaxially with the roll shaft 3, and cuts off and scrapes dirt pushed out of the filter holes by impacting the piston rod 60422;
s6, resetting: after the dredging is finished and the discharge flow of the discharge pipe 102 is normal, the third servo motor 606 is deformed again to the initial state, so that the high-power pumping capacity of the slurry pump is maintained.
The above is only one preferred specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art will be within the technical scope of the present invention; equivalent substitutions or modifications are made according to the technical plan of the present invention and its modified idea, which should be included under the protection of the present invention.
Claims (7)
1. Anti-blocking slurry pump, including defeated material subassembly (1) and drive assembly (2), its characterized in that: the material conveying assembly (1) comprises a pump pipe (101) and a material discharging pipe (102) which is integrally formed and arranged at the top end of the side wall of the pump pipe (101), an interlayer which is communicated with the material discharging pipe (102) is arranged in the wall of the pump pipe (101), the driving assembly (2) comprises a first servo motor (201) arranged on the outer top wall of the pump pipe (101) and a coupler (202) fixedly sleeved on the output shaft of the first servo motor (201), the coupler (202) movably penetrates through the central through cavity of the pump pipe (101) and then is fixedly connected with a roller shaft (3), in addition, a pumping assembly (4) and a filter cover (5) are sequentially arranged at the bottom end of the pump pipe (101) from top to bottom, the roller shaft (3) penetrates through the pumping assembly (4) and is connected with a dredging assembly (6) which is movably arranged in the inner cavity of the filter cover (5), the bottom end of the roller shaft (3) is fixedly sleeved with a cleaning assembly (7) which can rotate along the periphery of the filter cover (5), and the periphery of the cleaning assembly (7) is provided with a lining (8) arranged on the pumping assembly (4) and the filter cover (5);
the bottom of the lining table (8) is provided with a mud sensor (9) for detecting the existence of mud, a flow detector (10) for detecting the flow of discharged mud is arranged in the discharge pipe (102), and the top end of the outer side wall of the pump pipe (101) is also provided with a controller (11);
the dredging assembly (6) comprises a transmission case (601), a double-end bevel gear tube (602), a single-end bevel gear rod (603) and a shape changing part (604), wherein the transmission case (601) is fixedly sleeved on the surface of a roll shaft (3) in an inner cavity of a filter cover (5), the bottom end of the transmission case (601) is movably sleeved with the double-end bevel gear tube (602) which can spin around the surface of the roll shaft (3), namely the double-end bevel gear tube (602) is movably penetrated by the roll shaft (3), the periphery of the top end of the double-end bevel gear tube (602) is meshed with the inner end of the single-end bevel gear rod (603), the single-end bevel gear rod (603) is movably sleeved on the periphery of the side wall of the transmission case (601), and the shape changing part (604) attached to the inner wall of the filter cover (5) is arranged at the outer end of the single-end bevel gear rod (603), and in addition, the double-end bevel gear tube (602) movably penetrates through the bottom wall of the filter cover (5).
The dredging component (6) further comprises a transmission gear (605), a third servo motor (606) and a mud guard (607), wherein the transmission gear (605) is meshed with the bottom end of a double-end bevel gear tube (602) penetrating through the bottom wall of the filter housing (5) in a movable way, the transmission gear (605) is fixedly sleeved with the output shaft of the third servo motor (606), the transmission gear (605) is arranged at the bottom of an inner cavity of the mud guard (607), the mud guard (607) is fixedly sleeved on a roll shaft (3) positioned at the bottom surface of the filter housing (5), the transmission gear (605), the third servo motor (606) and the bottom end of a double-end bevel gear tube (602) are covered in the inner cavity of the mud guard (607), the mud is prevented from influencing the driving of the third servo motor (606), the dredging component (6) always rotates coaxially with the roll shaft (3) sleeved with the transmission gear (605), and when the third servo motor (606) drives the transmission gear (605) to be meshed with the bottom end of the double-end bevel gear tube (602), the rotating transmission gear (605) drives the single-end bevel gear tube (602) to be meshed with the single-end bevel gear tube (602) around the single-end bevel gear tube (603) of the single-end bevel gear tube (602) in a spinning joint way, the deformation-changing part (604) rotates to the vertical direction from the inclination angle during vortex drainage along the limit opening of the side wall of the transmission case (601), namely the deformation-changing part (604) changes shape;
the shape changing part (604) comprises a blade plate (6041), a telescopic part (6042), a lifting rack (6043), a connecting rod (6044) and a baffle plate (6045), wherein the blade plate (6041) is fixedly arranged at the outer end of the single-head conical toothed rod (603), the telescopic part (6042) which is transversely and longitudinally arranged and used for dredging the filtering holes on the surface of the filtering cover (5) is arranged in the blade plate (6041), the lifting rack (6043) is movably sleeved on one side, close to the single-head conical toothed rod (603), of the blade plate (6041), the top end of the lifting rack (6043) is fixedly connected with the top end of the baffle plate (6045) through the connecting rod (6044), and the baffle plate (6045) is blocked at the movable end of the telescopic part (6042);
the shape changing part (604) further comprises an elastic scraping plate (6046), a second servo motor (6047) and a driving gear (6048), wherein the elastic scraping plate (6046) is fixedly connected to the outer side wall of the baffle plate (6045) and clings to the inner side wall of the filter cover (5), the second servo motor (6047) is mounted at the top end of the inside of the blade plate (6041), and the output end of the second servo motor (6047) is fixedly sleeved with the driving gear (6048) meshed with the lifting rack (6043).
2. An anti-clogging slurry pump according to claim 1 wherein: the double-end bevel gear tube (602) is connected with the bottom wall of the transmission case (601) and the single-end bevel gear rod (603) is connected with the side wall of the transmission case (601) in a movable clamping connection mode, so that the double-end bevel gear tube (602) and the single-end bevel gear rod (603) can have rotating properties and cannot slip from the transmission case (601).
3. An anti-clogging slurry pump according to claim 1 wherein: the telescopic piece (6042) comprises a tube chamber (60421), a piston rod (60422) and a spring (60423), wherein the tube chamber (60421) is fixedly installed in the blade plate (6041), the piston rod (60422) is movably sleeved in the inner cavity of the tube chamber (60421), and the inner cavity of the tube chamber (60421) is in transmission connection with the top end of the piston rod (60422) through the spring (60423).
4. An anti-clogging slurry pump according to claim 1 wherein: the filter holes formed in the bottom wall and the side wall of the filter cover (5) correspond to the running track of the telescopic piece (6042) in the dredging mode of the deformation changing part (604), so that the telescopic piece (6042) repeatedly stretches and contracts to impact dirt in each filter hole one by one.
5. An anti-clogging slurry pump according to claim 3 wherein: the cleaning assembly (7) comprises an L-shaped scraping strip (701) and an arc-shaped slice (702), wherein the L-shaped scraping strip (701) is fixedly connected to the bottom end of the roller shaft (3), the arc-shaped slice (702) attached to the outer wall of the filter cover (5) is fixedly connected to the inner side of the L-shaped scraping strip (701) on the periphery of the filter cover (5), and the cleaning assembly (7) is enabled to impact the piston rod (60422) to push dirt out of the filter hole for cutting and scraping.
6. An anti-clogging slurry pump according to claim 1 wherein: the pump suction assembly (4) comprises a pump feed box (401) and an impeller (402), wherein the pump feed box (401) is fixedly arranged on the outer bottom wall of the pump pipe (101), the impeller (402) fixedly sleeved on the roller shaft (3) is arranged in the inner cavity of the pump feed box (401), and the inner cavity of the pump feed box (401) is communicated with the interlayer of the pump pipe (101), so that the roller shaft (3) and the impeller (402) can coaxially rotate along the inner cavity of the pump feed box (401) to form upward vortex so as to convey slurry from the filter cover (5) into the interlayer of the pump pipe (101) through the pump feed box (401).
7. An anti-clogging slurry pump as defined in claim 6 wherein: the filter cover (5) is fixedly connected to the bottom of the pump material box (401), and the filter cover (5) is communicated with the inner cavity of the pump material box (401).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410015703.5A CN117514937B (en) | 2024-01-05 | 2024-01-05 | Anti-blocking slurry pump |
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| CN202410015703.5A CN117514937B (en) | 2024-01-05 | 2024-01-05 | Anti-blocking slurry pump |
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| CN117514937B true CN117514937B (en) | 2024-03-12 |
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| DE2434117A1 (en) * | 1974-07-16 | 1976-01-29 | Bosch Gmbh Robert | SYSTEM FOR PUMPING LIQUIDS, IN PARTICULAR WASHING SYSTEM FOR WINDOWS IN MOTOR VEHICLES |
| DE102012023734A1 (en) * | 2012-12-05 | 2014-06-05 | Wilo Se | Centrifugal pump especially for sewage or dirty water |
| CN107740772A (en) * | 2017-09-28 | 2018-02-27 | 平潭海创智汇科技有限公司 | A kind of anti-blocking slush pump of bridge construction |
| CN210087679U (en) * | 2019-06-27 | 2020-02-18 | 泉州市驭盛通风空调装备有限公司 | Smoke exhaust fan for fire fighting |
| CN211648493U (en) * | 2020-01-19 | 2020-10-09 | 浙江水利水电学院 | A prevent blockking up silt pump for desilting |
| CN112679032A (en) * | 2020-11-12 | 2021-04-20 | 佛山市馨乐环保科技有限公司 | Black and odorous water treatment equipment |
-
2024
- 2024-01-05 CN CN202410015703.5A patent/CN117514937B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2434117A1 (en) * | 1974-07-16 | 1976-01-29 | Bosch Gmbh Robert | SYSTEM FOR PUMPING LIQUIDS, IN PARTICULAR WASHING SYSTEM FOR WINDOWS IN MOTOR VEHICLES |
| DE102012023734A1 (en) * | 2012-12-05 | 2014-06-05 | Wilo Se | Centrifugal pump especially for sewage or dirty water |
| CN107740772A (en) * | 2017-09-28 | 2018-02-27 | 平潭海创智汇科技有限公司 | A kind of anti-blocking slush pump of bridge construction |
| CN210087679U (en) * | 2019-06-27 | 2020-02-18 | 泉州市驭盛通风空调装备有限公司 | Smoke exhaust fan for fire fighting |
| CN211648493U (en) * | 2020-01-19 | 2020-10-09 | 浙江水利水电学院 | A prevent blockking up silt pump for desilting |
| CN112679032A (en) * | 2020-11-12 | 2021-04-20 | 佛山市馨乐环保科技有限公司 | Black and odorous water treatment equipment |
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|---|---|
| CN117514937A (en) | 2024-02-06 |
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