CN116105928B - Deep water pump for sewage treatment tank and working method - Google Patents

Deep water pump for sewage treatment tank and working method Download PDF

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Publication number
CN116105928B
CN116105928B CN202310375899.4A CN202310375899A CN116105928B CN 116105928 B CN116105928 B CN 116105928B CN 202310375899 A CN202310375899 A CN 202310375899A CN 116105928 B CN116105928 B CN 116105928B
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CN
China
Prior art keywords
sleeve
fixed
filter plate
wall
cleaning
Prior art date
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CN202310375899.4A
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Chinese (zh)
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CN116105928A (en
Inventor
简捷
王万俊
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Suzhou Xitu Environmental Protection Technology Co ltd
Changzhou Engineering and Technology Institute of Jiangsu University
Original Assignee
Suzhou Xitu Environmental Protection Technology Co ltd
Changzhou Engineering and Technology Institute of Jiangsu University
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Application filed by Suzhou Xitu Environmental Protection Technology Co ltd, Changzhou Engineering and Technology Institute of Jiangsu University filed Critical Suzhou Xitu Environmental Protection Technology Co ltd
Priority to CN202310375899.4A priority Critical patent/CN116105928B/en
Publication of CN116105928A publication Critical patent/CN116105928A/en
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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
    • F04D15/0088—Testing machines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
    • 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
    • F04D29/08—Sealings
    • F04D29/086—Sealings especially adapted for liquid pumps
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Abstract

The invention relates to the technical field of seal detection, in particular to a deep water pump for a sewage treatment tank and a working method. The invention provides a deep water pump for a sewage treatment tank, which comprises: the device comprises a rotating shaft, a sleeve and a sensor, wherein the sleeve is sleeved on the outer wall of the rotating shaft and is suitable for sliding along the axial direction of the rotating shaft; the inner wall of the sleeve is provided with an accommodating groove, and the sensor is fixed in the accommodating groove; wherein the sensor is adapted to detect a spacing between the sleeve and the spindle when the sleeve is slid. Through the setting of sensor, can detect the leakproofness between sleeve and the pivot outer wall when sleeve along pivot outer wall axial slip. The working efficiency is improved.

Description

Deep water pump for sewage treatment tank and working method
Technical Field
The invention relates to the technical field of seal detection, in particular to a deep water pump for a sewage treatment tank and a working method.
Background
The impeller of the submersible pump adopts a multistage structural design and is mainly characterized by small diameter and high lift. When in use, the whole unit is submerged in the sewage pool, so as to evacuate water in the whole sewage pool.
In the use process of the submersible pump, the sleeve and the bearing are required to be kept sealed, and water in the working environment contacts with the outer wall of the bearing, so that the bearing is corroded; conventionally, lubricating oil is smeared between a sleeve and a bearing, however, a detection device for monitoring the damage condition of the lubricating oil is lacked in the prior art so as to monitor the sealing effect;
when the submersible pump works underwater for a long time, lubricating oil needs to be added into a bearing on the outer wall of the rotating shaft, and the conventional method is to take the submersible pump out of the water machine, so that time and labor are wasted; moreover, after the bearing works for a long time, lubricating oil residues can remain at the lower end of the bearing, and the residues cannot be cleaned, so that the bearing is worn, and the service life of equipment is influenced. Therefore, it is necessary to develop a deep water pump and a working method for a sewage treatment tank.
Disclosure of Invention
The invention aims to provide a deep water pump for a sewage treatment tank and a working method.
In order to solve the technical problems, the invention provides a deep water pump for a sewage treatment tank, comprising:
the device comprises a rotating shaft, a sleeve and a sensor, wherein the sleeve is sleeved on the outer wall of the rotating shaft and is suitable for sliding along the axial direction of the rotating shaft;
the inner wall of the sleeve is provided with an accommodating groove, and the sensor is fixed in the accommodating groove; wherein the method comprises the steps of
When the sleeve slides, the sensor is suitable for detecting the interval between the sleeve and the rotating shaft.
Preferably, an induction block is fixed on the outer wall of the rotating shaft, and the induction block is linked with the sensor.
The device comprises a driving motor, a fixed sleeve, an impeller structure, a filter plate and a self-cleaning part, wherein the rotating shaft is fixed at the rotating end of the driving motor and penetrates through the fixed sleeve;
the inside of the fixed sleeve is hollow, and the fixed sleeve is fixed at the end part of the driving motor;
the side wall of the fixed sleeve is provided with a water inlet, and the filter plate is slidably arranged at the water inlet;
the impeller structure is fixed at the end part of the fixed sleeve and is linked with the rotating shaft;
the self-cleaning part is sleeved on the outer wall of the rotating shaft and is linked with the filter plate;
the sleeve is slidably arranged at the lower end of the self-cleaning part, and the sleeve is linked with the self-cleaning part; wherein, the liquid crystal display device comprises a liquid crystal display device,
the filter plate is suitable for filtering impurities in the interception water;
when the filter plate slides along the circumferential direction of the inner wall of the water inlet, the filter plate is suitable for extruding the oil spraying column to spray lubricating oil into the self-cleaning part;
the filter is suitable for driving the sleeve to slide downwards, and the sleeve drives the movable end of the self-cleaning part to slide downwards so as to clean lubricating oil residues in the self-cleaning part.
Preferably, a plurality of filter holes are formed in the filter plate in a matrix mode;
the filter plate is arc-shaped, and the thickness of the filter plate is gradually increased from left to right.
Preferably, the horizontal height of the lower end wall of the filter plate is gradually reduced from left to right.
Preferably, the outer wall of the filter plate is fixed with a plurality of transmission gears along the circumferential direction, the inner wall of the fixed sleeve is fixed with a motor, and the transmission end of the motor is sleeved with a gear disc matched with the transmission gears.
Preferably, the self-cleaning portion includes: the upper end of the fixed cylinder is fixed on the outer wall of the impeller structure, and the fixed cylinder is sleeved on the outer wall of the rotating shaft;
the connecting rod is fixed on the outer wall of the fixed cylinder, and is linked with the filter plate;
the bearing inner ring is fixed on the outer wall of the rotating shaft, and the bearing outer ring is fixed on the inner wall of the fixed cylinder;
the cleaning component is fixed on the inner wall of the fixed cylinder, is arranged at the lower end of the bearing and is linked with the sleeve; wherein, the liquid crystal display device comprises a liquid crystal display device,
when the filter plate rotates circumferentially, the filter plate is suitable for extruding the outer end part of the connecting rod to deform;
the connecting rod is suitable for spraying lubricating oil to the bearing;
the filter plate synchronously drives the sleeve to slide downwards, and the sleeve is suitable for driving the movable end of the cleaning assembly to slide downwards and turn over so as to scrape lubricating oil residues on the movable end of the cleaning assembly.
Preferably, the cleaning assembly comprises: the fixed ring, two bearing plates and a plurality of lifting columns are fixed on the inner wall of the fixed cylinder;
the two bearing plates are oppositely arranged, and the bearing plates are arranged between the bearing and the fixed ring;
the upper end of the fixed ring is provided with a cleaning groove along the circumferential direction, and the side wall of the cleaning groove is symmetrically provided with an inclined groove;
the inner bottom wall of the cleaning groove is provided with a plurality of through holes matched with the lifting columns, and the lifting columns are slidably arranged in the through holes;
the lower end of the lifting column is fixed on the side wall of the sleeve, and the two bearing plates are hinged to the end parts of the lifting column; wherein, the liquid crystal display device comprises a liquid crystal display device,
when the sleeve slides downwards, the sleeve drives the lifting column to synchronously move downwards;
when the lifting column moves downwards, the two bearing plates are driven to oppositely overturn by taking the hinge point as an axis, and the two bearing plates synchronously slide into the cleaning groove;
when the lifting column moves upwards, the two bearing plates are turned over by taking the hinge point as an axis, and the side walls of the bearing plates are propped against the side walls of the inclined grooves so as to scrape the residues on the side walls of the bearing plates.
Preferably, the connecting rod is hollow, and the outer end part of the connecting rod is fixed with a telescopic air bag which is made of flexible materials; wherein, the liquid crystal display device comprises a liquid crystal display device,
when the filter plate rotates from right to left, the telescopic air bag is extruded to deform, so that lubricating oil is sprayed to the bearing.
Preferably, a linkage rod is fixed at the lower end of the sleeve, and the other end of the linkage rod is in sliding fit with the filter plate; wherein the method comprises the steps of
When the filter plate circumferentially rotates, the linkage rod horizontally slides along the lower end of the filter plate and drives the sleeve to slide upwards or downwards.
Preferably, the invention also provides a using method of the deep water pump for the sewage treatment tank, after the submersible pump is wholly immersed in the water well, the driving motor is suitable for driving the impeller structure to circumferentially rotate so as to convey water in the water well outwards;
when the motor drives the filter plate to rotate anticlockwise, the filter plate is suitable for extruding the telescopic air bag to deform so as to enable the telescopic air bag to spray lubricating oil into the bearing;
the filter plates synchronously drive the linkage rods to slide circumferentially, the linkage rods drive the sleeves to slide downwards synchronously, and the sleeves drive the lifting columns to slide downwards synchronously;
in the process of downward sliding of the lifting column, driving the two bearing plates to overturn downwards by taking a hinge point as an axial direction, and synchronously sliding the two bearing plates into the cleaning groove, wherein the outer walls of the bearing plates are propped against the side walls of the cleaning groove;
in the process of upward sliding of the lifting column, the two bearing plates are turned over by taking the hinge point as an axis, and the side walls of the bearing plates are propped against the side walls of the inclined grooves so as to scrape the residues on the side walls of the bearing plates.
The sealing detection device has the beneficial effects that the space between the sleeve and the bearing is monitored in real time through the cooperation of the sensor, the sleeve and the rotating shaft; and sewage treatment pond is with deep water pump, through the cooperation of filter and automatically cleaning portion, realize carrying lubricating oil to the bearing of pivot outer wall to can clear up the effect of lubricating oil residue in step, not only improve work efficiency, still reduced artificial working strength simultaneously, improved the life of equipment.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a front view of a preferred embodiment of a deep water pump for a sewage treatment tank of the present invention;
FIG. 2 is a perspective view of a deep water pump for a sewage treatment tank according to the present invention;
FIG. 3 is an internal perspective view of the retaining sleeve of the present invention;
FIG. 4 is a perspective view of a filter plate of the present invention;
FIG. 5 is an internal perspective view of the self-cleaning section of the present invention;
FIG. 6 is an enlarged view of a portion of A of FIG. 5 in accordance with the present invention;
FIG. 7 is a schematic view showing the carrier plate in a turned down state according to the present invention;
fig. 8 is a schematic view showing a state that the carrier plate of the present invention is turned upwards.
In the figure:
1. a rotating shaft; 2. a sleeve; 3. a sensor; 31. an induction block;
4. a driving motor; 5. a fixed sleeve; 6. an impeller structure;
7. a self-cleaning section; 71. a fixed cylinder; 72. a connecting rod; 720. a telescopic air bag; 73. a bearing; 74. a cleaning assembly; 741. a fixing ring; 742. a carrying plate; 743. lifting columns; 744. an inclined groove; 75. a linkage rod;
8. a filter plate; 81. a filter hole; 82. a transmission gear.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
In a first embodiment, as shown in fig. 1 to 8, the present invention provides a deep water pump for a sewage treatment tank, comprising: the device comprises a rotating shaft 1, a sleeve 2 and a sensor 3, wherein the sleeve 2 is sleeved on the outer wall of the rotating shaft 1, and the sleeve 2 is suitable for sliding along the rotating shaft 1 axially; the sleeve 2 is suitable for vertically sliding along the axial direction of the outer wall of the rotating shaft 1; an accommodating groove is formed in the inner wall of the sleeve 2, and the sensor 3 is fixed in the accommodating groove; the opening direction of the accommodating groove faces to the outer wall of the rotating shaft 1; wherein, when the sleeve 2 slides, the sensor 3 is suitable for detecting the tightness between the sleeve 2 and the rotating shaft 1. The sleeve 2 is in sliding seal with the rotating shaft 1; the rotating shaft 1 is rotatably arranged in the sleeve 2; an induction block 31 is fixed on the outer wall of the rotating shaft 1, and the induction block 31 is linked with the sensor 3. When the rotating shaft 1 rotates circumferentially, the induction block 31 is driven to rotate circumferentially synchronously, the induction block 31 is linked with the sensor 3, when the sleeve 2 drives the sensor 3 to slide vertically and vertically synchronously, the interval between the sleeve 2 and the rotating shaft 1 is detected in an induction mode according to the interval between the induction block 31 and the sensor 3, and therefore the tightness between the sleeve 2 and the rotating shaft 1 is monitored.
The device comprises a driving motor 4, a fixed sleeve 5, an impeller structure 6, a filter plate 8 and a self-cleaning part 7, wherein the rotating shaft 1 is fixed at the rotating end of the driving motor 4, and the rotating shaft 1 penetrates through the fixed sleeve 5; when the device works, the driving motor 4 and the impeller structure 6 are integrally immersed in a water well, the driving motor 4 is suitable for driving the rotating shaft 1 to circumferentially rotate, and the rotating shaft 1 synchronously drives the impeller structure 6 to work; one side of the impeller structure 6 is provided with a water outlet end which is suitable for being communicated with a water pipe. The inside of the fixed sleeve 5 is hollow, and the fixed sleeve 5 is fixed at the end part of the driving motor 4; the locking sleeve is fixed between the driving motor 4 and the impeller structure 6, a water inlet is formed in the side wall of the fixing sleeve 5, and the filter plate 8 is slidably arranged in the water inlet; after entering through the water inlet, the water in the water well is pressurized through the impeller structure 6 and then is conveyed outwards through the water outlet end.
The impeller structure 6 is fixed at the end part of the fixed sleeve 5, and the impeller structure 6 is linked with the rotating shaft 1; the self-cleaning part 7 is sleeved on the outer wall of the rotating shaft 1, and the self-cleaning part 7 is linked with the filter plate 8; the sleeve 2 is slidably arranged at the lower end of the self-cleaning part 7, and the sleeve 2 is suitable for vertically sliding up and down along the rotating shaft 1; and the sleeve 2 is linked with the self-cleaning part 7; when the sleeve 2 slides up and down, the lifting column 743 is driven to slide up and down synchronously; to drive the bearing plate 742 to turn over and slide synchronously, so as to scrape the lubricating oil residue on the bearing plate 742. Wherein the filter plate 8 is adapted to filter impurities within the interception water; a plurality of filter holes 81 are formed in the filter plate 8 in a matrix mode; the arrangement of the filter holes 81 is suitable for intercepting large particle impurities in the water well. In order to increase the water outlet speed of the impeller structure 6, the filter plate 8 needs to be rotated so that the water inlet on the side wall of the fixed sleeve 5 is opened; when the filter plate 8 slides along the circumferential direction of the inner wall of the water inlet, the filter plate 8 is suitable for extruding an oil spraying column to spray lubricating oil into the self-cleaning part 7; the fuel injection column includes a connecting rod 72 and a telescoping balloon 720. The end of the telescopic air bag 720 is propped against the inner wall of the filter plate 8. The filter plate 8 is adapted to drive the sleeve 2 to slide downwards, and the sleeve 2 drives the movable end of the self-cleaning part 7 to slide downwards so as to clean lubricating oil residues inside the self-cleaning part 7.
In order to achieve the effects of oil spraying and self-cleaning, the filter plate 8 is arc-shaped, and the thickness of the filter plate 8 is gradually increased from left to right. The filter plate 8 is adapted to press the telescopic airbag 720 when the filter plate 8 rotates counterclockwise, thereby spraying the bearing 73 with lubricating oil. The lower end wall of the filter plate 8 gradually decreases in horizontal height from left to right. When the filter plate 8 rotates anticlockwise, the filter plate 8 is suitable for pushing the linkage rod 75 to synchronously slide downwards, so that the sleeve 2 is driven to synchronously slide downwards; the outer wall of the filter plate 8 is fixedly provided with a plurality of transmission gears 82 along the circumferential direction, the inner wall of the fixed sleeve 5 is fixedly provided with a motor, and the transmission end of the motor is sleeved with a gear disc matched with the transmission gears 82. The motor is vertically arranged, the motor is parallel to the driving motor 4, and when the motor drives the gear disc to circumferentially rotate, the motor is suitable for driving the filter plate 8 to synchronously rotate clockwise or anticlockwise so as to realize opening or closing of the water inlet.
In order to achieve cleaning of lubricating oil residues, the self-cleaning portion 7 comprises: the upper end of the fixed cylinder 71 is fixed on the outer wall of the impeller structure 6, and the fixed cylinder 71 is sleeved on the outer wall of the rotating shaft 1; the connecting rod 72 is fixed on the outer wall of the fixed cylinder 71, and the connecting rod 72 is linked with the filter plate 8; the connecting rod 72 is hollow, the connecting rod 72 is internally suitable for storing lubricating oil, and an oil filling port is fixed on the outer wall of the connecting rod 72, and lubricating oil is suitable for supplementing the connecting rod 72 through the oil filling port. The outer end part of the connecting rod 72 is fixed with a telescopic airbag 720, and the telescopic airbag 720 is made of flexible materials; wherein, when the filter plate 8 rotates from right to left, the filter plate 8 is adapted to press the expansion bladder 720 to deform as the thickness of the filter plate 8 becomes thicker, so that the lubricant is sprayed to the bearing 73. Thereby reducing the friction of the bearing 73 when it is operated.
The inner ring of the bearing 73 is fixed on the outer wall of the rotating shaft 1, and the outer ring of the bearing 73 is fixed on the inner wall of the fixed cylinder 71; the arrangement of the bearing 73 is adapted to provide a stabilizing effect for the shaft 1 when the shaft 1 drives the impeller structure 6. The cleaning component 74 is fixed on the inner wall of the fixed cylinder 71, the cleaning component 74 is arranged at the lower end of the bearing 73, and the cleaning component 74 is linked with the sleeve 2; wherein, when the filter plate 8 rotates circumferentially, the filter plate 8 is suitable for extruding the outer end part of the connecting rod 72 to deform; the connecting rod 72 is adapted to spray lubricating oil to the bearings 73; to reduce friction force when the bearing 73 operates, thereby improving the operating efficiency of the rotating shaft 1. The filter plate 8 synchronously drives the sleeve 2 to slide downwards, and the sleeve 2 is suitable for driving the movable end of the cleaning assembly 74 to slide downwards and turn over so as to scrape lubricating oil residues on the movable end of the cleaning assembly 74. After the oil residues on the bearing plate 742 are removed, the oil residues can be prevented from accumulating between the bearing 73 and the outer wall of the rotating shaft 1, and the abrasion of the bearing 73 is reduced; the oil sludge is stored in the inclined groove 744, and the lubricity of the vertical sliding of the lifting column 743 can be improved.
To facilitate self-cleaning of the oil sludge, the cleaning assembly 74 includes: a fixing ring 741, two bearing plates 742 and a plurality of lifting columns 743, wherein the fixing ring 741 is fixed on the inner wall of the fixing cylinder 71; the fixed ring 741 is sleeved on the outer wall of the rotating shaft 1, and the inner wall of the fixed ring 741 is sealed with the outer wall of the rotating shaft 1 through grease; the two bearing plates 742 are disposed opposite to each other, and the bearing plates 742 are disposed between the bearing 73 and the fixing ring 741; the bearing plates 742 are annular, and the two bearing plates 742 are hinged at the end parts of the lifting columns 743; the upper end of the fixing ring 741 is provided with a cleaning groove along the circumferential direction, and the width of the cleaning groove is not more than the sum of the widths of the two bearing plates 742; the side wall of the cleaning groove is symmetrically provided with an inclined groove 744; the inner bottom wall of the cleaning groove is provided with a plurality of through holes matched with the lifting columns 743, and the lifting columns 743 are slidably arranged in the through holes; the lower end of the lifting column 743 is fixed on the side wall of the sleeve 2, and the two bearing plates 742 are hinged at the end parts of the lifting column 743; when the sleeve 2 slides downwards, the sleeve 2 drives the lifting columns 743 to synchronously move downwards; when the lifting column 743 moves downwards, the two bearing plates 742 are driven to turn over in opposite directions by taking the hinge point as an axis, at this time, the outer side walls of the two bearing plates 742 are propped against the side walls of the cleaning groove, in the process of sliding the lifting column 743 downwards, the two bearing plates 742 gradually draw close by taking the hinge point as an axis and gradually slide into the cleaning groove, and the two bearing plates 742 synchronously slide into the cleaning groove; when the bearing plates 742 slide into the inclined slots 744, the two bearing plates 742 start to open outwards, so that the bearing plates 742 are unfolded; at this time, the lifting columns 743 slide down to the lowermost end; when the lifting column 743 moves upward, the two bearing plates 742 are limited by the side walls of the inclined slots 744, and are turned over with the hinge point as an axis, so that the side walls of the upper ends of the bearing plates 742 are abutted against the side walls of the inclined slots 744, and the side walls of the bearing plates 742 are abutted against the side walls of the inclined slots 744, and the inclined slots 744 can scrape the residues on the bearing plates 742 and collect the residues in the through holes and the inclined slots 744 during the upward sliding of the lifting column 743. To scrape the residue from the sidewall of the carrier 742. Accumulation of residue between the carrier plate 742 and the bearing 73 may cause increased wear of the bearing 73, thereby reducing the service life of the bearing 73; when the residue is accumulated in the through hole and the inclined groove 744, the friction force when the lifting column 743 slides vertically can be reduced, so that the lifting column 743 is also worn, but the wear of the lifting column 743 does not affect the stability and the service life of the rotating shaft 1. Only the cleaning assembly 74 need be cleaned periodically.
Preferably, a linkage rod 75 is fixed at the lower end of the sleeve 2, and the other end of the linkage rod 75 is in sliding fit with the filter plate 8; wherein when the filter plate 8 rotates circumferentially, the linkage rod 75 slides horizontally along the lower end of the filter plate 8 and drives the sleeve 2 to slide upwards or downwards. A chute is arranged at the lower end of the filter plate 8, a slide block matched with the chute is fixed at the end part of the linkage rod 75, the slide block is slidably arranged in the chute, and when the filter plate 8 rotates circumferentially, the linkage rod 75 is driven to slide upwards or downwards synchronously.
An embodiment two, this embodiment also provides a method for using a deep water pump for a sewage treatment tank on the basis of the embodiment one, including the deep water pump for a sewage treatment tank according to the embodiment one, the specific structure is the same as that of the embodiment one, and the detailed description is omitted here, and the method for using the specific deep water pump for a sewage treatment tank is as follows:
after the submersible pump is wholly immersed in the water well, the driving motor 4 is suitable for driving the impeller structure 6 to circumferentially rotate so as to convey water in the water well outwards;
when the motor drives the filter plate 8 to rotate anticlockwise, the filter plate 8 is suitable for extruding the telescopic air bag 720 to deform so that the telescopic air bag 720 sprays lubricating oil into the bearing 73;
the filter plates 8 synchronously drive the linkage rods 75 to slide circumferentially, the linkage rods 75 drive the sleeves 2 to slide downwards synchronously, and the sleeves 2 drive the lifting columns 743 to slide downwards synchronously;
in the process of downward sliding of the lifting column 743, the two bearing plates 742 are driven to overturn downwards by taking the hinge point as the axis, the two bearing plates 742 synchronously slide into the cleaning groove, and the outer wall of the bearing plate 742 is propped against the side wall of the cleaning groove;
in the process of sliding upwards, the two bearing plates 742 are turned over with the hinge point as the axis, and the side walls of the bearing plates 742 are abutted against the side walls of the inclined grooves 744 to scrape the residues on the side walls of the bearing plates 742. The above-described preferred embodiments according to the present invention are intended to suggest that, in view of the above description, various changes and modifications may be made by the worker in question without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.

Claims (8)

1. The deep water pump for the sewage treatment pond, its characterized in that includes:
the device comprises a rotating shaft (1), a sleeve (2) and a sensor (3), wherein the sleeve (2) is sleeved on the outer wall of the rotating shaft (1), and the sleeve (2) is suitable for sliding along the rotating shaft (1) axially;
an accommodating groove is formed in the inner wall of the sleeve (2), and the sensor (3) is fixed in the accommodating groove; wherein the method comprises the steps of
When the sleeve (2) slides, the sensor (3) is suitable for detecting the distance between the sleeve (2) and the rotating shaft (1);
an induction block (31) is fixed on the outer wall of the rotating shaft (1), and the induction block (31) is linked with the sensor (3);
the self-cleaning device comprises a driving motor (4), a fixing sleeve (5), an impeller structure (6), a filter plate (8) and a self-cleaning part (7), wherein the rotating shaft (1) is fixed at the rotating end of the driving motor (4), and the rotating shaft (1) penetrates through the fixing sleeve (5);
the inside of the fixed sleeve (5) is hollow, and the fixed sleeve (5) is fixed at the end part of the driving motor (4);
a water inlet is formed in the side wall of the fixed sleeve (5), and the filter plate (8) is slidably arranged at the water inlet;
the impeller structure (6) is fixed at the end part of the fixed sleeve (5), and the impeller structure (6) is linked with the rotating shaft (1);
the self-cleaning part (7) is sleeved on the outer wall of the rotating shaft (1), and the self-cleaning part (7) is linked with the filter plate (8);
the sleeve (2) is slidably arranged at the lower end of the self-cleaning part (7), and the sleeve (2) is linked with the self-cleaning part (7); wherein, the liquid crystal display device comprises a liquid crystal display device,
-said filter plate (8) is adapted to filter impurities inside the interception water;
when the filter plate (8) circumferentially slides along the inner wall of the water inlet, the filter plate (8) is suitable for extruding an oil spraying column to spray lubricating oil into the self-cleaning part (7);
the filter plate (8) is suitable for driving the sleeve (2) to slide downwards, and the sleeve (2) drives the movable end of the self-cleaning part (7) to slide downwards so as to clean lubricating oil residues in the self-cleaning part (7);
the self-cleaning portion (7) includes: the device comprises a fixed cylinder (71), a connecting rod (72), a bearing (73) and a cleaning assembly (74), wherein the upper end of the fixed cylinder (71) is fixed on the outer wall of the impeller structure (6), and the fixed cylinder (71) is sleeved on the outer wall of the rotating shaft (1);
the connecting rod (72) is fixed on the outer wall of the fixed cylinder (71), and the connecting rod (72) is linked with the filter plate (8);
the inner ring of the bearing (73) is fixed on the outer wall of the rotating shaft (1), and the outer ring of the bearing (73) is fixed on the inner wall of the fixed cylinder (71);
the cleaning assembly (74) is fixed on the inner wall of the fixed cylinder (71), the cleaning assembly (74) is arranged at the lower end of the bearing (73), and the cleaning assembly (74) is linked with the sleeve (2); wherein, the liquid crystal display device comprises a liquid crystal display device,
when the filter plate (8) rotates circumferentially, the filter plate (8) is suitable for extruding the outer end part of the connecting rod (72) to deform;
-said connecting rod (72) is adapted to spray lubricating oil to the bearing (73);
the filter plate (8) synchronously drives the sleeve (2) to slide downwards, and the sleeve (2) is suitable for driving the movable end of the cleaning assembly (74) to slide downwards and turn over so as to scrape lubricating oil residues on the movable end of the cleaning assembly (74).
2. A deep water pump for a sewage treatment tank according to claim 1, wherein,
a plurality of filter holes (81) are formed in the filter plate (8) in a matrix mode;
the filter plate (8) is arc-shaped, and the thickness of the filter plate (8) is gradually increased from left to right.
3. A deep water pump for a sewage treatment tank according to claim 2, wherein,
the horizontal height of the lower end wall of the filter plate (8) is gradually reduced from left to right.
4. A deep water pump for a sewage treatment tank according to claim 3, wherein,
the outer wall of the filter plate (8) is fixedly provided with a plurality of transmission gears (82) along the circumferential direction, the inner wall of the fixed sleeve (5) is fixedly provided with a motor, and the transmission end of the motor is sleeved with a gear disc matched with the transmission gears (82).
5. A deep water pump for a sewage treatment tank according to claim 4, wherein,
the cleaning assembly (74) includes: the fixed ring (741), two bearing plates (742) and a plurality of lifting columns (743), wherein the fixed ring (741) is fixed on the inner wall of the fixed cylinder (71);
the two bearing plates (742) are oppositely arranged, and the bearing plates (742) are arranged between the bearing (73) and the fixed ring (741);
the upper end of the fixed ring (741) is provided with a cleaning groove along the circumferential direction, and the side wall of the cleaning groove is symmetrically provided with an inclined groove (744);
the inner bottom wall of the cleaning groove is provided with a plurality of through holes matched with the lifting columns (743), and the lifting columns (743) are slidably arranged in the through holes;
the lower end of the lifting column (743) is fixed on the side wall of the sleeve (2), and the two bearing plates (742) are hinged at the end parts of the lifting column (743); wherein, the liquid crystal display device comprises a liquid crystal display device,
when the sleeve (2) slides downwards, the sleeve (2) drives the lifting column (743) to synchronously move downwards;
when the lifting column (743) moves downwards, the two bearing plates (742) are driven to oppositely turn over by taking the hinge point as an axis, and the two bearing plates (742) synchronously slide into the cleaning groove;
when the lifting column (743) moves upwards, the two bearing plates (742) are separated and turned around the hinge point as an axis, and the side walls of the bearing plates (742) are propped against the side walls of the inclined grooves (744) so as to scrape the residues on the side walls of the bearing plates (742).
6. The deep water pump for a sewage treatment tank according to claim 5, wherein,
the connecting rod (72) is hollow, a telescopic air bag (720) is fixed at the outer end part of the connecting rod (72), and the telescopic air bag (720) is made of flexible materials; wherein, the liquid crystal display device comprises a liquid crystal display device,
when the filter plate (8) rotates from right to left, the telescopic air bag (720) is extruded to deform, so that lubricating oil is sprayed to the bearing (73).
7. A deep water pump for a sewage treatment tank according to claim 6, wherein,
a linkage rod (75) is fixed at the lower end of the sleeve (2), and the other end of the linkage rod (75) is in sliding fit with the filter plate (8); wherein the method comprises the steps of
When the filter plate (8) circumferentially rotates, the linkage rod (75) horizontally slides along the lower end of the filter plate (8) and drives the sleeve (2) to slide upwards or downwards.
8. The using method of the deep water pump for the sewage treatment tank is characterized by comprising the deep water pump for the sewage treatment tank as claimed in claim 7,
after the submersible pump is wholly immersed in the water well, the driving motor (4) is suitable for driving the impeller structure (6) to circumferentially rotate so as to convey water in the water well outwards;
when the motor drives the filter plate (8) to rotate anticlockwise, the filter plate (8) is suitable for extruding the telescopic air bag (720) to deform so that the telescopic air bag (720) sprays lubricating oil into the bearing (73);
the filter plates (8) synchronously drive the linkage rods (75) to slide circumferentially, the linkage rods (75) drive the sleeves (2) to slide downwards synchronously, and the sleeves (2) drive the lifting columns (743) to slide downwards synchronously;
in the process of downward sliding of the lifting column (743), driving the two bearing plates (742) to downwards turn around the hinge point as an axial direction, enabling the two bearing plates (742) to synchronously slide into the cleaning groove, and enabling the outer walls of the bearing plates (742) to prop against the side walls of the cleaning groove;
in the process of upward sliding of the lifting column (743), the two bearing plates (742) are turned over by taking the hinge point as an axis, and the side walls of the bearing plates (742) are propped against the side walls of the inclined grooves (744) so as to scrape the residues on the side walls of the bearing plates (742).
CN202310375899.4A 2023-04-11 2023-04-11 Deep water pump for sewage treatment tank and working method Active CN116105928B (en)

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