CN113007090A - Sludge screw pump protection device - Google Patents
Sludge screw pump protection device Download PDFInfo
- Publication number
- CN113007090A CN113007090A CN202110199720.5A CN202110199720A CN113007090A CN 113007090 A CN113007090 A CN 113007090A CN 202110199720 A CN202110199720 A CN 202110199720A CN 113007090 A CN113007090 A CN 113007090A
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- Prior art keywords
- wall
- plate
- stator
- protection device
- tail end
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
- F04C14/28—Safety arrangements; Monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C13/00—Adaptations of machines or pumps for special use, e.g. for extremely high pressures
- F04C13/001—Pumps for particular liquids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
- F04C14/24—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0088—Lubrication
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0088—Lubrication
- F04C15/0092—Control systems for the circulation of the lubricant
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
- F04C2/107—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth
Abstract
The invention relates to the technical field of sludge screw pumps, and discloses a sludge screw pump protection device which comprises a driving motor, wherein a rotating shaft is fixedly installed at the top of an output shaft of the driving motor, the tail end of the rotating shaft is fixedly connected with a transmission case, the tail end of the transmission case is fixedly connected with an intermediate shaft, and the intermediate shaft is arranged inside a storage bin. Photoelectric sensing ware can monitor the mud volume of advancing of feed cylinder, and data transmission to singlechip, when not advancing mud, the singlechip controls audible-visual annunciator on the one hand and reports to the police and reminds the staff, the bin outlet is sealed on the other hand, and open the solenoid valve and make surplus mud circulate in the play feed cylinder in the back flow, with lubricated rotor and stator, when advancing mud volume less, the singlechip controls audible-visual annunciator on the one hand and reports to the police and reminds the staff, on the other hand is according to the size of advancing mud volume control bin outlet, make partly discharge from the bin outlet of mud in the play feed cylinder, another part circulates in the back flow, with lubricated rotor and stator, prevent rotor and stator friction damage.
Description
Technical Field
The invention relates to the technical field of sludge screw pumps, in particular to a sludge screw pump protection device.
Background
The sludge screw pump generally consists of a rubber stator and a stainless steel rotor, and in the process of transporting sludge, the sludge serves as a lubricant to protect the rubber stator and the stainless steel rotor. However, when the engine runs empty or the amount of sludge is small, dry friction is generated between the rotor and the stator, which affects the service life of the engine. Generally, the screw pump protects the stator and the rotor through the temperature probe, but when the temperature probe gives an alarm, dry friction occurs for a long time, so the protection method has poor protection effect.
The Chinese patent publication number is: the invention patent of CN105370563A discloses a screw pump, which comprises a rotor and a stator; the stator is wrapped on the outer side of the rotor, and the stator and the rotor form a screw pair; the inner wall of the stator is hermetically connected with the outer wall of the rotor so as to form a plurality of sealed cavities between the inner side of the stator and the outer side of the rotor; the stator is characterized by further comprising a pre-tightening force adjusting device, wherein the pre-tightening force adjusting device comprises a plurality of clamping mechanisms which are wrapped on the outer side of the stator and are arranged along the axial lead direction of the stator. Each clamping mechanism can be adjusted independently, namely the acting force of each clamping mechanism on the stator can be controlled independently, so that the screw pump can improve the balance of pre-tightening force between the stator and the rotor in the screw pair of the screw pump by adjusting the acting force of each clamping mechanism on the stator, the stator and the rotor are abraded, and the service lives of the rotor and the stator are prolonged.
In the above-mentioned patent, though can improve the equilibrium of pretightning force between stator and the rotor in the screw rod pair of screw pump through adjusting each clamping mechanism to the effort of stator to reach the effect of preventing wearing and tearing, but its overall structure is very complicated not only, and stability is relatively poor, and manufacturing cost is also higher, and simultaneously, above-mentioned regulation still needs the manual work to adjust, and degree of automation is low.
Based on this, we provide a protection device for a sludge screw pump, and hopefully, the protection device can solve the defects in the prior art.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a sludge screw pump protection device which has the advantage of preventing a rotor and a stator from being damaged by friction.
(II) technical scheme
In order to achieve the purpose of preventing the friction damage of the rotor and the stator, the invention provides the following technical scheme: a sludge screw pump protection device comprises a driving motor, wherein a rotating shaft is fixedly mounted at the top of an output shaft of the driving motor, a transmission case is fixedly connected to the tail end of the rotating shaft, an intermediate shaft is fixedly connected to the tail end of the transmission case, the intermediate shaft is arranged inside a storage bin, a feeding barrel is fixedly mounted at the top of the storage bin, a rotor is fixedly connected to the tail end of the intermediate shaft, the rotor is movably arranged on the inner wall of a stator, the stator is fixedly mounted on the inner wall of a discharging barrel, and the discharging barrel is fixedly mounted at the tail end of the storage bin;
the tail end of the discharge barrel is provided with a discharge outlet, and a regulating device arranged at the tail end of the discharge barrel is used for controlling the opening and closing size of the discharge outlet;
the backflow device is connected between the discharge barrel and the storage bin and is used for refluxing sludge to lubricate the rotor and the stator;
and the reflux device is also provided with a lubricating device for automatically regulating and controlling the oil output along with the rotating speed of the driving motor.
As a preferred technical scheme, the regulating device comprises an installation plate, a screw, a first sealing plate and a second sealing plate, wherein the installation plate is fixedly installed at the tail end of the discharging barrel, a discharging hole is formed in the center of the installation plate, and the size of the discharging hole is matched with that of the discharging hole;
the outer wall fixed mounting of mounting panel has adjusting motor, adjusting motor's output shaft top fixedly connected with screw rod, first screw thread and second screw thread have been seted up respectively on the outer wall left side and the outer wall right side of screw rod, the outer wall of first screw thread and second screw thread threaded connection respectively has first nut and second nut, the top of first nut and second nut is fixed mounting respectively has first closing plate and second closing plate for shelter from the discharge gate.
As a preferable technical solution of the present invention, the first thread and the second thread are provided on the outer wall of the screw in opposite directions.
As a preferable technical solution of the present invention, the top of each of the first sealing plate and the second sealing plate is fixedly provided with a slide bar, the slide bar is slidably disposed at the bottom of the slide plate, and the slide plate is fixedly mounted on the outer wall of the mounting plate.
As a preferable technical scheme of the invention, the backflow device comprises a backflow pipe and an electromagnetic valve, the backflow pipe is arranged outside the discharge cylinder and the storage bin, one end of the backflow pipe is communicated with the discharge cylinder, the other end of the backflow pipe is communicated with the storage bin, and the electromagnetic valve is arranged inside the backflow pipe.
As a preferred technical solution of the present invention, the lubricating device includes a branch pipe and an oil tank, the branch pipe is fixedly installed on an outer wall of the return pipe and located on a right side of the solenoid valve, and the oil tank is fixedly installed at a distal end of the branch pipe.
As a preferred technical scheme of the invention, an embedding seat is fixedly arranged on the inner wall of the branch pipe, the inner wall of the embedding seat is movably connected with a push plate, the bottom of the push plate is in a shape of an inverted truncated cone, and an inner groove coupled with the inverted truncated cone is formed on the inner wall of the embedding seat;
an upright post is fixedly installed at the center of the push plate, the upright post is inserted into the fixed plate, the fixed plate is fixedly installed on the inner wall of the branch pipe, oil outlets are uniformly formed in the outer wall of the fixed plate, and a spring is further arranged between the fixed plate and the push plate;
the inside of the branch pipe is also movably provided with an eccentric wheel which is used for pushing the push plate inwards to open the oil way when rotating, and the eccentric wheel is linked with the rotating shaft through a linkage device.
As a preferred technical scheme of the invention, the linkage device comprises a transmission shaft, a driven wheel and a driving wheel, wherein one end of the transmission shaft is eccentrically connected with an eccentric wheel, the other end of the transmission shaft is fixedly connected with the driven wheel, the outer wall of the driven wheel is meshed with the driving wheel, and the driving wheel is fixedly arranged on the outer wall of a rotating shaft;
the outer wall of transmission case fixed mounting has the stabilizing sleeve, the transmission shaft rotates to peg graft in the inside of stabilizing sleeve.
As a preferred technical scheme of the invention, the inner wall of the feeding cylinder is also provided with a photoelectric sensor relatively, the output end of the photoelectric sensor is electrically connected with a single chip microcomputer, and the output end of the single chip microcomputer is electrically connected with an audible and visual alarm, an adjusting motor and an electromagnetic valve.
(III) advantageous effects
Compared with the prior art, the invention provides a sludge screw pump protection device, which has the following beneficial effects:
1. this mud screw pump protection device, the photoelectric sensing ware can monitor the mud volume of advancing of feed cylinder, and data transmission to singlechip, when not advancing mud, the singlechip controls audible-visual annunciator on the one hand and reports to the police and reminds the staff, the bin outlet is sealed on the other hand, and open the solenoid valve and make surplus mud circulate in the play feed cylinder in the back flow, with lubricated rotor and stator, when advancing mud volume less, the singlechip controls audible-visual annunciator on the one hand and reports to the police and reminds the staff, on the other hand is according to the size of advancing mud volume control bin outlet, make partly discharge from the bin outlet of mud in the play feed cylinder, another part circulates in the back flow, with lubricated rotor and stator, prevent rotor and stator friction damage.
2. This mud screw pump protection device, when driving motor drives the pivot rotation, the pivot is passed through the action wheel, it is rotatory to drive the eccentric wheel from the transmission of driving wheel and transmission shaft, the inside push pedal that promotes of eccentric wheel rotary cycle, open the oil circuit, make the lubricating oil in the oil tank can flow out, and flow to the feed bin through branch pipe and backflow pipe, with lubricated rotor and stator, prevent rotor and stator friction damage, simultaneously, the pivot rotational speed is faster, the rotational speed of eccentric wheel is also faster, thereby make the oil output more, can be according to the automatic how much of regulating and controlling oil output of the rotational speed of pivot, further prevent rotor and stator friction damage.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a side view of a mounting plate portion of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2 according to the present invention;
FIG. 4 is a perspective view of the first and second seal plates of the present invention;
FIG. 5 is a top view of the return line section of the present invention;
FIG. 6 is an enlarged view of the invention at B of FIG. 5;
FIG. 7 is a perspective view of the driveshaft portion of the present invention;
figure 8 is a perspective view of the push plate and post portion of the present invention.
In the figure: 1. a drive motor; 2. a rotating shaft; 3. a transmission case; 4. an intermediate shaft; 5. a storage bin; 6. a feeding cylinder; 7. a rotor; 8. a discharging barrel; 9. a stator; 10. mounting a plate; 11. a discharge port; 12. adjusting the motor; 13. a screw; 14. a first thread; 15. a second thread; 16. a first nut; 17. a second nut; 18. a first sealing plate; 19. a second sealing plate; 20. a slide bar; 21. a slide plate; 22. a return pipe; 23. an electromagnetic valve; 24. a branch pipe; 25. an oil tank; 26. a driving wheel; 27. a driven wheel; 28. a drive shaft; 29. an eccentric wheel; 30. embedding a base; 31. pushing the plate; 32. a column; 33. a fixing plate; 34. an oil outlet; 35. a spring; 36. a photoelectric sensor; 37. an audible and visual alarm.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 by those skilled in the art according to specific situations.
Referring to fig. 1-8, a sludge screw pump protection device comprises a driving motor 1, a rotating shaft 2 is fixedly installed at the top of an output shaft of the driving motor 1, a transmission case 3 is fixedly connected to the tail end of the rotating shaft 2, an intermediate shaft 4 is fixedly connected to the tail end of the transmission case 3, the intermediate shaft 4 is arranged inside a storage bin 5, a feeding barrel 6 is fixedly installed at the top of the storage bin 5, a rotor 7 is fixedly connected to the tail end of the intermediate shaft 4, the rotor 7 is movably arranged on the inner wall of a stator 9, the stator 9 is fixedly installed on the inner wall of a discharging barrel 8, and the discharging barrel 8 is fixedly installed at the tail end;
the tail end of the discharging barrel 8 is provided with a discharging opening, and a regulating device arranged at the tail end of the discharging barrel 8 is used for controlling the opening and closing size of the discharging opening;
the backflow device is connected between the discharging barrel 8 and the storage bin 5 and is used for backflow sludge to lubricate the rotor 7 and the stator 9;
the reflux device is also provided with a lubricating device which is used for automatically regulating and controlling the oil output along with the rotating speed of the driving motor 1.
In the embodiment, the regulating device comprises a mounting plate 10, a screw 13, a first sealing plate 18 and a second sealing plate 19, the mounting plate 10 is fixedly mounted at the tail end of the discharging barrel 8, a discharging port 11 is formed in the center of the mounting plate 10, and the size of the discharging port 11 is matched with the size of a discharging port;
an adjusting motor 12 is fixedly installed on the outer wall of the installing plate 10, a screw 13 is fixedly connected to the top of an output shaft of the adjusting motor 12, a first thread 14 and a second thread 15 are respectively formed on the left side of the outer wall of the screw 13 and the right side of the outer wall of the screw, a first nut 16 and a second nut 17 are respectively in threaded connection with the outer walls of the first thread 14 and the second thread 15, and a first sealing plate 18 and a second sealing plate 19 are respectively fixedly installed on the tops of the first nut 16 and the second nut 17 and used for shielding the discharge hole 11;
the opening directions of the first threads 14 and the second threads 15 on the outer wall of the screw 13 are opposite;
the single chip microcomputer controls the operation of the adjusting motor 12, the adjusting motor 12 drives the screw 13 at the top of the output shaft to rotate, the screw 13 rotates to drive the first nut 16 and the second nut 17 to move in opposite directions through the first thread 14 and the second thread 15 which are arranged on the outer wall of the screw 13 in opposite directions, the first nut 16 and the second nut 17 move in opposite directions to drive the first sealing plate 18 and the second sealing plate 19 to move in opposite directions, the first sealing plate 18 and the second sealing plate 19 are close to or away from each other, when the first sealing plate 18 and the second sealing plate 19 are close to each other, the discharge hole 11 is gradually sealed, otherwise, when the first sealing plate 18 and the second sealing plate 19 are away from each other, the discharge hole 11 is gradually opened, and the discharge hole is also opened.
In this embodiment, the top of the first sealing plate 18 and the top of the second sealing plate 19 are both fixedly mounted with the slide bar 20, the slide bar 20 is slidably disposed at the bottom of the slide plate 21, the slide plate 21 is fixedly mounted on the outer wall of the mounting plate 10, and the slide bar 20 slides on the slide plate 21, so that the first sealing plate 18 and the second sealing plate 19 can move more stably left and right without left and right skew.
In this embodiment, the reflux device includes a reflux pipe 22 and an electromagnetic valve 23, the reflux pipe 22 is disposed outside the discharge cylinder 8 and the bin 5, one end of the reflux pipe 22 is connected to the discharge cylinder 8, the other end is connected to the bin 5, and the electromagnetic valve 23 is disposed inside the reflux pipe 22 and used for refluxing sludge to lubricate the rotor 7 and the stator 9.
In this embodiment, the lubricating device comprises a branch pipe 24 and an oil tank 25, the branch pipe 24 is fixedly installed on the outer wall of the return pipe 22 and is located at the right side of the electromagnetic valve 23, the oil tank 25 is fixedly installed at the tail end of the branch pipe 24, and the lubricating oil in the oil tank 25 flows into the storage bin 5 through the branch pipe 24 and the return pipe 22 to lubricate the rotor 7 and the stator 9, so as to further prevent the rotor 7 and the stator 9 from being damaged by friction.
In this embodiment, the inner wall of the branch pipe 24 is fixedly provided with an embedding seat 30, the inner wall of the embedding seat 30 is movably connected with a push plate 31, the bottom of the push plate 31 is in a shape of an inverted frustum, and an inner groove coupled with the inverted frustum is formed on the inner wall of the embedding seat 30;
an upright column 32 is fixedly installed at the center of the push plate 31, the upright column 32 is inserted into the fixed plate 33, the fixed plate 33 is fixedly installed on the inner wall of the branch pipe 24, oil outlets 34 are uniformly formed in the outer wall of the fixed plate 33, and a spring 35 is further arranged between the fixed plate 33 and the push plate 31;
the branch pipe 24 is also movably provided with an eccentric wheel 29 inside for pushing a push plate 31 inwards to open the oil path when rotating, and the eccentric wheel 29 is linked with the rotating shaft 2 through a linkage device.
In this embodiment, the linkage device includes a transmission shaft 28, a driven wheel 27 and a driving wheel 26, one end of the transmission shaft 28 is eccentrically connected with an eccentric wheel 29, the other end is fixedly connected with the driven wheel 27, the driving wheel 26 is engaged with the outer wall of the driven wheel 27, and the driving wheel 26 is fixedly installed on the outer wall of the rotating shaft 2;
a stabilizing sleeve is fixedly arranged on the outer wall of the transmission case 3, and a transmission shaft 28 is rotatably inserted in the stabilizing sleeve;
when the driving motor 1 drives the rotor 7 to rotate through the rotating shaft 2, the transmission case 3 and the intermediate shaft 4, the rotating shaft 2 simultaneously drives the eccentric wheel 29 to rotate through the transmission of the driving wheel 26, the driven wheel 27 and the transmission shaft 28, the eccentric wheel 29 circularly pushes the push plate 31 inwards to open an oil path, so that lubricating oil in the oil tank 25 flows out and flows into the storage bin 5 through the branch pipe 24 and the return pipe 22 to lubricate the rotor 7 and the stator 9, and the rotor 7 and the stator 9 are prevented from being damaged by friction;
specifically, the eccentric wheel 29 rotates to push the push plate 31 inwards, the push plate 31 moves inwards to compress the spring 35, and meanwhile, lubricating oil can flow out from a gap between the push plate 31 and the embedded seat 30;
it is worth mentioning that the faster the rotating speed of the rotating shaft 2 is, the faster the rotating speed of the eccentric wheel 29 is, so that the oil output is more, the oil output can be automatically regulated according to the rotating speed of the rotating shaft 2, and the friction damage of the rotor 7 and the stator 9 can be further prevented.
In this embodiment, the inner wall of the feeding cylinder 6 is also provided with a photoelectric sensor 36, the output end of the photoelectric sensor 36 is electrically connected with a single chip microcomputer, the output end of the single chip microcomputer is electrically connected with an audible and visual alarm 37, the adjusting motor 12 and the electromagnetic valve 23, when the mud is not fed in, the singlechip controls the audible and visual alarm 37 to alarm and remind the staff on one hand, and seals the discharge hole on the other hand, and opens the electromagnetic valve 23 to circulate the residual sludge in the discharging cylinder 8 in the return pipe 22, so as to lubricate the rotor 7 and the stator 9, when the mud inlet amount is less, the singlechip controls the audible and visual alarm 37 to alarm and remind workers on one hand, and controls the size of the discharge port according to the mud inlet amount on the other hand, so that one part of the mud in the discharge barrel 8 is discharged from the discharge port, and the other part of the mud circulates in the return pipe 22 to lubricate the rotor 7 and the stator 9, and the rotor 7 and the stator 9 are prevented from being damaged by friction.
The working principle and the using process of the invention are as follows:
the photoelectric sensor 36 can monitor the mud inlet amount of the feeding cylinder 6 and transmit data to the single chip microcomputer, when the mud is not fed, the single chip microcomputer controls the audible and visual alarm 37 to alarm and remind workers on one hand, and seals the discharge hole on the other hand, and opens the electromagnetic valve 23 to enable residual mud in the discharging cylinder 8 to circulate in the return pipe 22 so as to lubricate the rotor 7 and the stator 9, when the mud inlet amount is small, the single chip microcomputer controls the audible and visual alarm 37 to alarm and remind the workers on the one hand, and controls the size of the discharge hole according to the mud inlet amount on the other hand, so that one part of the mud in the discharging cylinder 8 is discharged from the discharge hole, and the other part of the mud circulates in the return pipe 22 so as to lubricate the rotor 7 and the stator 9, and prevent;
the control of the discharge opening specifically comprises the following steps: the single chip microcomputer controls the operation of the adjusting motor 12, the adjusting motor 12 operates to drive the screw 13 at the top of the output shaft of the adjusting motor to rotate, the screw 13 rotates to drive the first nut 16 and the second nut 17 to move in opposite directions through the first thread 14 and the second thread 15 which are arranged on the outer wall of the screw 13 in opposite directions, the first nut 16 and the second nut 17 move in opposite directions to drive the first sealing plate 18 and the second sealing plate 19 to move in opposite directions and approach or separate from each other, when the first sealing plate 18 and the second sealing plate 19 approach each other, the discharge hole 11 is gradually closed, and therefore the discharge hole is gradually closed, otherwise, when the first sealing plate 18 and the second sealing plate 19 separate from each other, the discharge hole 11 is gradually opened, and therefore the discharge hole is opened;
when the driving motor 1 drives the rotor 7 to rotate through the rotating shaft 2, the transmission case 3 and the intermediate shaft 4, the rotating shaft 2 simultaneously drives the eccentric wheel 29 to rotate through the transmission of the driving wheel 26, the driven wheel 27 and the transmission shaft 28, the eccentric wheel 29 circularly pushes the push plate 31 inwards to open an oil path, so that lubricating oil in the oil tank 25 flows out and flows into the storage bin 5 through the branch pipe 24 and the return pipe 22 to lubricate the rotor 7 and the stator 9, and the rotor 7 and the stator 9 are prevented from being damaged by friction;
specifically, the eccentric wheel 29 rotates to push the push plate 31 inwards, the push plate 31 moves inwards to compress the spring 35, and meanwhile, lubricating oil can flow out from a gap between the push plate 31 and the embedded seat 30;
it is worth mentioning that the faster the rotating speed of the rotating shaft 2 is, the faster the rotating speed of the eccentric wheel 29 is, so that the oil output is more, the oil output can be automatically regulated according to the rotating speed of the rotating shaft 2, and the friction damage of the rotor 7 and the stator 9 can be further prevented.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a mud screw pump protection device, includes driving motor (1), its characterized in that: the top of an output shaft of the driving motor (1) is fixedly provided with a rotating shaft (2), the tail end of the rotating shaft (2) is fixedly connected with a transmission case (3), the tail end of the transmission case (3) is fixedly connected with an intermediate shaft (4), the intermediate shaft (4) is arranged inside a storage bin (5), the top of the storage bin (5) is fixedly provided with a feeding barrel (6), the tail end of the intermediate shaft (4) is fixedly connected with a rotor (7), the rotor (7) is movably arranged on the inner wall of a stator (9), the stator (9) is fixedly arranged on the inner wall of a discharging barrel (8), and the discharging barrel (8) is fixedly arranged at the tail end of the storage bin (5);
the tail end of the discharge barrel (8) is provided with a discharge outlet, and a regulating device arranged at the tail end of the discharge barrel (8) is used for controlling the opening and closing size of the discharge outlet;
the backflow device is connected between the discharging barrel (8) and the storage bin (5) and is used for backflow sludge to lubricate the rotor (7) and the stator (9);
and the reflux device is also provided with a lubricating device for automatically regulating and controlling the oil output along with the rotating speed of the driving motor (1).
2. The sludge screw pump protection device of claim 1, wherein: the adjusting and controlling device comprises an installation plate (10), a screw (13), a first sealing plate (18) and a second sealing plate (19), the installation plate (10) is fixedly installed at the tail end of the discharging barrel (8), a discharging hole (11) is formed in the center of the installation plate (10), and the size of the discharging hole (11) is matched with the size of the discharging hole;
the outer wall fixed mounting of mounting panel (10) has adjusting motor (12), the output shaft top fixedly connected with screw rod (13) of adjusting motor (12), first screw thread (14) and second screw thread (15) have been seted up respectively on the outer wall left side and the outer wall right side of screw rod (13), the outer wall of first screw thread (14) and second screw thread (15) threaded connection respectively has first nut (16) and second nut (17), the top of first nut (16) and second nut (17) is fixed mounting respectively has first closing plate (18) and second closing plate (19) for shelter from discharge gate (11).
3. The sludge screw pump protection device of claim 2, wherein: the opening directions of the first threads (14) and the second threads (15) on the outer wall of the screw (13) are opposite.
4. The sludge screw pump protection device of claim 3, wherein: the top of first closing plate (18) and second closing plate (19) is all fixed mounting has draw runner (20), draw runner (20) slide and set up the bottom at slide (21), slide (21) fixed mounting is on the outer wall of mounting panel (10).
5. The sludge screw pump protection device of claim 4, wherein: the backflow device comprises a backflow pipe (22) and an electromagnetic valve (23), the backflow pipe (22) is arranged outside the discharging barrel (8) and the storage bin (5), one end of the backflow pipe (22) is in through connection with the discharging barrel (8), the other end of the backflow pipe is in through connection with the storage bin (5), and the electromagnetic valve (23) is arranged inside the backflow pipe (22).
6. The sludge screw pump protection device of claim 5, wherein: the lubricating device comprises a branch pipe (24) and an oil tank (25), the branch pipe (24) is fixedly installed on the outer wall of the return pipe (22) and located on the right side of the electromagnetic valve (23), and the oil tank (25) is fixedly installed at the tail end of the branch pipe (24).
7. The sludge screw pump protection device of claim 6, wherein: an embedded seat (30) is fixedly arranged on the inner wall of the branch pipe (24), the inner wall of the embedded seat (30) is movably connected with a push plate (31), the bottom of the push plate (31) is in an inverted truncated cone shape, and an inner groove coupled with the inverted truncated cone shape is formed in the inner wall of the embedded seat (30);
an upright post (32) is fixedly mounted at the center of the push plate (31), the upright post (32) is inserted into the fixed plate (33), the fixed plate (33) is fixedly mounted on the inner wall of the branch pipe (24), oil outlets (34) are uniformly formed in the outer wall of the fixed plate (33), and a spring (35) is further arranged between the fixed plate (33) and the push plate (31);
the inside of the branch pipe (24) is also movably provided with an eccentric wheel (29) which is used for pushing a push plate (31) inwards to open an oil way during rotation, and the eccentric wheel (29) is linked with the rotating shaft (2) through a linkage device.
8. The sludge screw pump protection device of claim 7, wherein: the linkage device comprises a transmission shaft (28), a driven wheel (27) and a driving wheel (26), one end of the transmission shaft (28) is eccentrically connected with an eccentric wheel (29), the other end of the transmission shaft is fixedly connected with the driven wheel (27), the outer wall of the driven wheel (27) is meshed with the driving wheel (26), and the driving wheel (26) is fixedly installed on the outer wall of the rotating shaft (2);
the outer wall of transmission case (3) is fixed with the stabilizing sleeve, transmission shaft (28) rotate and peg graft in the inside of stabilizing sleeve.
9. The sludge screw pump protection device of claim 8, wherein: the inner wall of the feeding cylinder (6) is relatively provided with a photoelectric sensor (36), the output end of the photoelectric sensor (36) is electrically connected with a single chip microcomputer, and the output end of the single chip microcomputer is electrically connected with an audible and visual alarm (37), an adjusting motor (12) and an electromagnetic valve (23).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110199720.5A CN113007090B (en) | 2021-02-22 | 2021-02-22 | Sludge screw pump protection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110199720.5A CN113007090B (en) | 2021-02-22 | 2021-02-22 | Sludge screw pump protection device |
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| Publication Number | Publication Date |
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| CN113007090A true CN113007090A (en) | 2021-06-22 |
| CN113007090B CN113007090B (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110199720.5A Active CN113007090B (en) | 2021-02-22 | 2021-02-22 | Sludge screw pump protection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113730967A (en) * | 2021-09-17 | 2021-12-03 | 义乌市水处理有限责任公司 | Chain tensioning adjusting device for mud scraper |
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| CN113007090B (en) | 2022-09-20 |
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