CN215486870U

CN215486870U - Auxiliary device for submersible pump

Info

Publication number: CN215486870U
Application number: CN202121935349.6U
Authority: CN
Inventors: 黄文强; 周泳良
Original assignee: Tianjin Genai Pump Industry Co ltd
Current assignee: Tianjin Genai Pump Industry Co ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-01-11
Anticipated expiration: 2031-08-16

Abstract

The application provides an auxiliary device for submersible pump belongs to the submersible pump field. The auxiliary device for the submersible pump comprises a driving assembly, a filtering assembly and a cleaning assembly. The gasbag with kickboard cambered surface fixed connection, the second water wheels with first water wheels structure is the same and the symmetry set up in the kickboard both sides, water pump body fixed mounting in the mount bottom, the filter screen both ends respectively with two sets of connecting plate fixed connection, the cylinder brush with filter screen inner wall clearance fit. This auxiliary device for submersible pump installs the kickboard of gasbag through setting up, installs the water pump body in the kickboard below, keeps away from submarine silt when guaranteeing that the water pump body can last drawing water, and the filter screen can effectively completely cut off the entering of pasture and water in the water, and the cylinder brush rolls the washing to the filter screen, avoids filter screen surface debris to pile up too much and causes the drawing water that blocks up the influence water pump body, guarantees the irrigation efficiency that draws water of water pump body.

Description

Auxiliary device for submersible pump

Technical Field

The application relates to a dive water pump field particularly, relates to an auxiliary device for dive water pump.

Background

The submersible pump is suitable for extracting underground water from a deep well, can also be used for water extraction projects such as rivers, reservoirs, water channels and the like, is mainly used for farmland irrigation and people and livestock water use in mountain areas, and can also be used for central air-conditioning cooling, heat pump units, cold pump units, cities, factories, railways, mines and construction sites drainage, when in use, the whole unit is submerged into water to work, and extracts the underground water to the ground surface, and is common equipment for domestic water, mine emergency rescue, industrial cooling, farmland irrigation, seawater lifting and ship load adjustment, in the farmland irrigation process, a submersible pump is generally required to be used for extracting irrigation water from nearby rivers or lakes, and due to the complex conditions in rivers and lakes, aquatic plants and sludge easily enter the submersible pump to cause the rotor of the pump to be wound with the aquatic plants to be stuck and burnt, when the submersible pump is placed at the bottom with more sludge, the water inlet of the pump is easily blocked, therefore, the problem to be solved by the technical personnel in the field is solved by how to invent an auxiliary device for a submersible water pump to improve the problems.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, the application provides an auxiliary device for submersible pump, aims at improving the easy winding of pasture and water of immersible pump when rivers and lakes are drawn water and is leaded to the problem that the immersible pump damaged by silt jam.

The embodiment of the application provides an auxiliary device for submersible pump, including drive assembly, filtering component and washing component.

The driving component comprises a floating plate, an air bag, a first water wheel, a second water wheel, a fixing frame, a water pump body and a mounting ring, the air bag is fixedly connected with the cambered surface of the floating plate, the first water wheel comprises a second motor, a transmission gear, a driven gear and a propeller, the second motor is fixedly mounted at the top of the floating plate, mounting grooves are formed in two sides of the floating plate, two ends of a rotating shaft of the propeller are rotatably mounted in the mounting grooves, the transmission gear is connected with an output shaft of the second motor in a key mode, the driven gear is connected with the rotating shaft of the propeller in a key mode, the transmission gear is meshed with the driven gear, the second water wheel and the first water wheel are identical in structure and symmetrically arranged on two sides of the floating plate, the fixing frame is arranged in the middle of the floating plate in a penetrating mode, the water pump body is fixedly mounted at the bottom of the fixing frame, and a water outlet pipe is arranged at the top of the floating plate in a penetrating mode, the water outlet of the water pump body is communicated with the water outlet pipe, and the mounting ring is fixedly mounted at the bottom of the floating plate.

The filter assembly comprises a base, a connecting plate and filter screens, wherein the base is fixedly connected with the bottoms of the mounting rings through the connecting plate, two ends of each filter screen are fixedly connected with the two groups of connecting plates respectively, and the four groups of connecting plates are arranged on the filter screens.

The cleaning assembly comprises a first motor, a first gear, a connecting ring, a mounting plate, a connecting rod, a roller brush and a bottom plate, wherein the first motor is fixedly mounted at the top of the floating plate, the first gear is connected with an output shaft of the first motor, the connecting ring is rotatably mounted on the inner wall of the mounting ring, the inner wall of the connecting ring is provided with inner teeth, the inner teeth are meshed with the first gear, the mounting plate is fixedly mounted at the bottom of the connecting ring, the bottom plate is connected with the connecting rod in a sleeved mode, the roller brush is rotatably connected with the connecting rod, and the roller brush is in clearance fit with the inner wall of the filter screen.

In the implementation process, the water pump body is arranged below the floating plate by arranging the floating plate provided with the air bag, the floating plate always floats on the water surface, so that the water pump body is always positioned below the horizontal plane, the water pump body can continuously pump water and is far away from the sludge at the bottom of the water, so that the blockage of the sludge is effectively avoided, meanwhile, the bottom of the floating plate is provided with the filtering component, the water pump body is arranged in the filtering component, the filter screen can effectively isolate the aquatic plants in the water body from entering, meanwhile, the cleaning component is arranged in the filtering component, the roller brush carries out rolling cleaning on the filter screen, the phenomenon that the water pumping of the water pump body is influenced due to blockage caused by excessive accumulation of sundries on the surface of the filter screen is avoided, set up two sets of water wheels in kickboard both sides, conveniently change the position of kickboard on the surface of water through water wheels for the more region of pasture and water is kept away from to the water pump body, guarantees the pumping irrigation efficiency of water pump body.

In a specific embodiment, the floating plate is fixedly provided with two groups of traction rings, and the two groups of traction rings are respectively arranged on two sides of the top of the floating plate.

In the above-mentioned realization process, can set up outside hawser and cup joint in traction ring, but through hawser and traction ring limitation device's home range, can directly lean on the bank with the device fast through the pulling hawser simultaneously, accomplish the recovery of device.

In a specific implementation scheme, the first water wheel further comprises an oil tank, the oil tank is fixedly connected with the inner wall of the mounting groove, and the transmission gear and the driven gear are both arranged in the oil tank.

In the implementation process, the transmission gear and the driven gear are placed in the oil tank, the transmission gear is prevented from being directly contacted with a water body, and the transmission failure caused by the fact that the transmission gear and the driven gear are blocked by impurities in the water body is avoided.

In a specific implementation scheme, a through hole is formed in the top of the oil tank, and a soft plug is arranged on the top of the oil tank and is inserted into the through hole.

In the implementation process, the through hole is formed in the top of the oil tank, lubricating oil can be filled into the oil tank from the through hole, the transmission gear and the driven gear can rotate more smoothly under the action of the lubricating oil, and the through hole can be plugged by the soft plug to seal the oil tank.

In a specific embodiment, four corners of the top of the fixing frame are detachably connected with the top of the floating plate through bolts.

In the implementation process, the fixing frame and the floating plate are separated by detaching the bolts at the four corners of the top of the fixing frame, so that the water pump body is conveniently maintained and replaced by taking out the water pump body filtering component.

In a specific embodiment, the driving assembly further comprises an air pump, the air pump is fixedly installed at the top of the floating plate, and an air outlet of the air pump is communicated with the air bag.

In the above-mentioned realization in-process, set up the air pump with the gasbag intercommunication, the accessible air pump changes the degree of inflating of gasbag to can change the distance between kickboard and the surface of water, accessible lifting kickboard comes the lifting water pump body, avoids the water pump body to touch end contact silt when the depth of water is less.

In a specific implementation, the driving assembly further includes a leakage protector, and the leakage protector is fixedly installed on the top of the fixing frame and electrically connected to the water pump body.

In the above-mentioned realization process, set up the earth-leakage protector with water pump body electric connection, in time discover the condition of device electric leakage, because water is the conductor, in case the device electric leakage extremely easily causes unexpected danger, set up the emergence that earth-leakage protector can avoid the accident.

In a specific embodiment, the inner wall of the mounting ring is provided with a limiting groove, and the top of the outer wall of the connecting ring is in limiting fit with the limiting groove.

In the implementation process, because the connecting ring and other cleaning components have larger resistance when rotating in the water body, the outer wall of the connecting ring is slidably arranged in the limiting groove of the inner wall of the mounting ring, so that the connecting ring is more stable when rotating.

In a specific embodiment, the filter screen is arranged at a height consistent with the height of the connecting plate.

In the above-mentioned realization process, the filter screen is highly unanimous with the connecting plate, avoids inside foreign matter such as pasture and water gets into the filtering component from the junction of filter screen and the collar to influence the normal operating of water pump body.

In a specific embodiment, a plurality of groups of protective covers are fixedly mounted at the top of the floating plate, and the first motor, the second motor and the air pump are all arranged in the protective covers.

In the implementation process, the first motor, the second motor and the air pump all work and operate on the water surface, sputtering water splash is inevitably encountered, the equipment is burnt by water inflow, and the equipment can be effectively protected by the protective cover.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic structural view of an auxiliary device for a submersible pump according to an embodiment of the present disclosure;

fig. 2 is a front view of an auxiliary device for a submersible pump according to an embodiment of the present disclosure;

fig. 3 is a first perspective view of a driving assembly according to an embodiment of the present disclosure;

FIG. 4 is a second perspective view of a driving assembly provided in an embodiment of the present application;

fig. 5 is a schematic structural diagram of a first water wheel provided in an embodiment of the present application;

FIG. 6 is a schematic structural view of a filter assembly according to an embodiment of the present disclosure;

fig. 7 is a schematic structural diagram of a cleaning assembly according to an embodiment of the present disclosure.

In the figure: 100-a drive assembly; 110-a floating plate; 111-water outlet pipe; 112-mounting grooves; 113-a traction ring; 120-air bag; 130-a first water wheel; 131-a second motor; 132-a drive gear; 133-driven gear; 134-a propeller; 135-oil tank; 136-soft plug; 140-a second water wheel; 150-a holder; 160-water pump body; 170-mounting ring; 171-a limiting groove; 180-air pump; 190-a leakage protector; 200-a filter assembly; 210-a base; 220-a connecting plate; 230-a filter screen; 300-cleaning the assembly; 310-a first motor; 320-a first gear; 330-connecting ring; 340-internal teeth; 350-a mounting plate; 360-connecting rod; 370-roller brush; 380-bottom plate.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1 and 2, the present application provides an auxiliary device for a submersible pump, including a driving assembly 100, a filtering assembly 200, and a cleaning assembly 300.

Referring to fig. 3, 4 and 5, the driving assembly 100 includes a floating plate 110, an air bag 120, a first water wheel 130, a second water wheel 140, a fixing frame 150, a water pump body 160 and a mounting ring 170, the air bag 120 is fixedly connected to an arc surface of the floating plate 110, the first water wheel 130 includes a second motor 131, a transmission gear 132, a driven gear 133 and a propeller 134, the second motor 131 is fixedly mounted on a top portion of the floating plate 110, mounting slots 112 are formed on two sides of the floating plate 110, two ends of a rotating shaft of the propeller 134 are rotatably mounted in the mounting slots 112, the transmission gear 132 is connected to an output shaft of the second motor 131, the driven gear 133 is connected to a rotating shaft of the propeller 134, the transmission gear 132 is engaged with the driven gear 133, the second water wheel 140 and the first water wheel 130 have the same structure and are symmetrically disposed on two sides of the floating plate 110, the fixing frame 150 is disposed in a middle portion of the floating plate 110, the water pump body 160 is fixedly mounted on a bottom portion of the fixing frame 150, a water outlet pipe 111 is disposed through a top portion of the floating plate 110, the water outlet of the water pump body 160 is communicated with the water outlet pipe 111, and the mounting ring 170 is fixedly mounted at the bottom of the floating plate 110.

In other embodiments, two sets of traction rings 113 are fixedly installed on the floating plate 110, the two sets of traction rings 113 are respectively arranged on two sides of the top of the floating plate 110, an external cable can be arranged to be sleeved on the traction rings 113, the range of motion of the device can be limited by the cable and the traction rings 113, and meanwhile, the device can be rapidly pulled to the shore by directly pulling the cable, so that the device can be recovered.

In other embodiments, the first water wheel 130 further includes an oil tank 135, the oil tank 135 is fixedly connected to the inner wall of the mounting groove 112, the driving gear 132 and the driven gear 133 are both disposed in the oil tank 135, the driving gear 132 and the driven gear 133 are prevented from directly contacting the water body, and the driving gear 132 and the driven gear 133 are prevented from being locked by impurities in the water body to cause transmission failure.

In other embodiments, a through hole is formed in the top of the oil tank 135, the soft plug 136 is arranged on the top of the oil tank 135, the soft plug 136 is inserted into the through hole, and lubricating oil can be filled into the oil tank 135 at the through hole, so that the transmission gear 132 and the driven gear 133 can rotate more smoothly under the action of the lubricating oil, and the through hole can be blocked by the soft plug 136 to seal the oil tank 135.

In other embodiments, the four corners of the top of the fixing frame 150 are detachably connected to the top of the floating plate 110 by bolts, and the fixing frame 150 can be separated from the floating plate 110 by detaching the bolts at the four corners of the top of the fixing frame 150, so that the filter assembly 200 of the water pump body 160 can be taken out of the water pump body 160, and the water pump body 160 can be conveniently maintained and replaced.

In other embodiments, the driving assembly 100 further includes an air pump 180, the air pump 180 is fixedly installed on the top of the floating plate 110, an air outlet of the air pump 180 is communicated with the air bag 120, the inflation degree of the air bag 120 can be changed by the air pump 180, so that the distance between the floating plate 110 and the water surface can be changed, the water pump body 160 can be lifted by lifting the floating plate 110, and the water pump body 160 is prevented from contacting sludge when the water depth is shallow.

In some other embodiments, the driving assembly 100 further includes a leakage protector 190, the leakage protector 190 is fixedly installed on the top of the fixing frame 150 and electrically connected to the water pump body 160, so as to find out the leakage of the device in time, and since water is a conductor, once the leakage of the device easily causes an accident hazard, the leakage protector 190 can avoid the accident.

In other embodiments, the inner wall of the mounting ring 170 is provided with a limiting groove 171, the top of the outer wall of the connecting ring 330 is in limiting fit with the limiting groove 171, and since the connecting ring 330 and other cleaning assemblies 300 have larger resistance when rotating in the water body, the outer wall of the connecting ring 330 is slidably mounted in the limiting groove 171 of the inner wall of the mounting ring 170, so that the connecting ring 330 is more stable when rotating.

Referring to fig. 6, the filter assembly 200 includes a base 210, a connection plate 220 and filter screens 230, the base 210 is fixedly connected to the bottom of the mounting ring 170 through the connection plate 220, two ends of the filter screens 230 are respectively fixedly connected to two sets of connection plates 220, and four sets of connection plates 220 and filter screens 230 are disposed.

In other embodiments, the filter screen 230 is disposed at a height same as that of the connection plate 220, so as to prevent impurities such as aquatic weeds from entering the inside of the filter assembly 200 from the connection between the filter screen 230 and the mounting ring 170, thereby affecting the normal operation of the water pump body 160.

Referring to fig. 7, the cleaning assembly 300 includes a first motor 310, a first gear 320, a connection ring 330, a mounting plate 350, a connection rod 360, a roller brush 370 and a bottom plate 380, the first motor 310 is fixedly mounted on the top of the floating plate 110, the first gear 320 is connected to an output shaft of the first motor 310 in a key manner, the connection ring 330 is rotatably mounted on an inner wall of the mounting ring 170, inner teeth 340 are disposed on an inner wall of the connection ring 330, the inner teeth 340 are engaged with the first gear 320, the mounting plate 350 is fixedly mounted on the bottom of the connection ring 330, the bottom plate 380 is fixedly connected to the mounting plate 350 through the connection rod 360, the roller brush 370 is rotatably sleeved on the connection rod 360, and the roller brush 370 is in clearance fit with an inner wall of the filter screen 230.

In other embodiments, a plurality of sets of protective covers are fixedly mounted on the top of the floating plate 110, the first motor 310, the second motor 131 and the air pump 180 are all arranged in the protective covers, the first motor 310, the second motor 131 and the air pump 180 all work and operate on the water surface, so that the equipment is prevented from being burnt due to water entering the equipment, and the protective covers are arranged to effectively protect the equipment.

This auxiliary device for submersible pump's theory of operation: the external water pipe is communicated with the water outlet pipe 111, the device is put into water, the device floats on the water surface due to the buoyancy of the floating plate 110 and the air bag 120, the water pump body 160 is positioned below the water level, the second motor 131 is started, the second motor 131 rotates to drive the transmission gear 132 to rotate, the driven gear 133 meshed with the transmission gear 132 rotates to drive the propeller 134 to rotate, the first water wheel 130 and the second water wheel 140 operate to enable the device to be far away from the bank, the water pump body 160 is started, water flows into the filter assembly 200 through the filter screen 230, the water is conveyed to the external water pipe through the water outlet pipe 111 by the water pump body 160, impurities such as aquatic plants are blocked outside by the filter screen 230, the first motor 310 is started, the first motor 310 rotates to drive the first gear 320 to rotate, the connecting ring 330 is driven to rotate through the internal teeth 340, the connecting rod 360 drives the roller brush 370 and the bottom plate 380 to rotate in the filter assembly 200, and the roller brush 370 performs rolling cleaning on the filter screen 230, the filter screen 230 removes the blockage in the filter holes.

It should be noted that the specific model specifications of the first motor 310, the second motor 131, the water pump body 160, the air pump 180, and the earth leakage protector 190 need to be determined by model selection according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, so detailed description is omitted.

The power supply and the principle of the first motor 310, the second motor 131, the water pump body 160, the air pump 180 and the earth leakage protector 190 will be clear to those skilled in the art, and will not be described in detail herein.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. An auxiliary device for a submersible pump is characterized by comprising

Drive assembly (100), drive assembly (100) includes kickboard (110), gasbag (120), first water wheels (130), second water wheels (140), mount (150), water pump body (160) and collar (170), gasbag (120) with kickboard (110) cambered surface fixed connection, first water wheels (130) include second motor (131), drive gear (132), driven gear (133) and screw (134), second motor (131) fixed mounting in kickboard (110) top, mounting groove (112) have been seted up to kickboard (110) both sides, the pivot both ends of screw (134) are rotated and are installed in mounting groove (112), drive gear (132) key-type is in the output shaft of second motor (131), driven gear (133) key-type is in the pivot of screw (134), drive gear (132) with driven gear (133) meshing, the second water wheel (140) and the first water wheel (130) are identical in structure and symmetrically arranged on two sides of the floating plate (110), the fixing frame (150) is arranged in the middle of the floating plate (110) in a penetrating mode, the water pump body (160) is fixedly arranged at the bottom of the fixing frame (150), the top of the floating plate (110) is provided with a water outlet pipe (111) in a penetrating mode, a water outlet of the water pump body (160) is communicated with the water outlet pipe (111), and the mounting ring (170) is fixedly arranged at the bottom of the floating plate (110);

the filter assembly (200) comprises a base (210), a connecting plate (220) and filter screens (230), the base (210) is fixedly connected with the bottoms of the mounting rings (170) through the connecting plate (220), two ends of each filter screen (230) are fixedly connected with two groups of connecting plates (220), and four groups of connecting plates (220) and four groups of filter screens (230) are arranged;

cleaning assembly (300), cleaning assembly (300) includes first motor (310), first gear (320), go-between (330), mounting panel (350), connecting rod (360), cylinder brush (370) and bottom plate (380), first motor (310) fixed mounting in kickboard (110) top, first gear (320) key-type connection in the output shaft of first motor (310), go-between (330) rotate install in mounting ring (170) inner wall, go-between (330) inner wall is provided with internal tooth (340), internal tooth (340) with first gear (320) meshing, mounting panel (350) fixed mounting in go-between (330) bottom, bottom plate (380) pass through connecting rod (360) with mounting panel (350) fixed connection, cylinder brush (370) rotate cup joint in connecting rod (360), the roller brush (370) is in clearance fit with the inner wall of the filter screen (230).

2. The auxiliary device for the submersible pump as recited in claim 1, wherein two groups of traction rings (113) are fixedly installed on the floating plate (110), and the two groups of traction rings (113) are respectively arranged on two sides of the top of the floating plate (110).

3. The auxiliary device for the submersible pump as recited in claim 1, wherein the first water wheel (130) further comprises an oil tank (135), the oil tank (135) is fixedly connected with the inner wall of the mounting groove (112), and the transmission gear (132) and the driven gear (133) are both arranged in the oil tank (135).

4. The auxiliary device for the submersible pump according to claim 3, wherein a through hole is formed in the top of the oil tank (135), a soft plug (136) is arranged on the top of the oil tank (135), and the soft plug (136) is inserted into the through hole.

5. The auxiliary device for a submersible pump as recited in claim 1, wherein four corners of the top of the fixing frame (150) are detachably connected to the top of the floating plate (110) by bolts.

6. An auxiliary device for a submersible pump as claimed in claim 1, wherein the driving assembly (100) further comprises an air pump (180), the air pump (180) is fixedly mounted on the top of the floating plate (110), and an air outlet of the air pump (180) is communicated with the air bag (120).

7. The auxiliary device for the submersible pump as recited in claim 1, wherein the driving assembly (100) further comprises an earth leakage protector (190), and the earth leakage protector (190) is fixedly mounted on the top of the fixing frame (150) and electrically connected with the pump body (160).

8. The auxiliary device for the submersible pump as recited in claim 1, wherein the mounting ring (170) has a limiting groove (171) formed in an inner wall thereof, and the top of an outer wall of the connecting ring (330) is in limiting fit with the limiting groove (171).

9. An auxiliary device for a submersible pump according to claim 1, characterized in that the filter screen (230) is arranged at a height corresponding to the height of the connection plate (220).

10. The auxiliary device for the submersible pump as recited in claim 6, wherein a plurality of protective covers are fixedly mounted on the top of the floating plate (110), and the first motor (310), the second motor (131) and the air pump (180) are all arranged in the protective covers.