CN205190259U - Electric diving pump - Google Patents
Electric diving pump Download PDFInfo
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- CN205190259U CN205190259U CN201520925551.9U CN201520925551U CN205190259U CN 205190259 U CN205190259 U CN 205190259U CN 201520925551 U CN201520925551 U CN 201520925551U CN 205190259 U CN205190259 U CN 205190259U
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Abstract
The utility model relates to an electric diving pump, water pump and dive motor including coaxial hookup, base and have explosion -proof seal structure's terminal box, the motor shaft of dive motor passes through shaft coupling hookup water pump axle, be equipped with water inlet section between water pump and dive motor, the water pump is installed in the water inlet section upper end, the lower extreme at water inlet section is installed to the dive motor, dive motor fixed mounting is on the base, junction box set is at dive motor intracavity, be equipped with the water injection hole on the dive motor, waterway and stator winding overtemperature protection device, stator winding overtemperature protection device is connected with the terminal box electricity, the terminal box is connected through dismountable waterproof cable and external control case or remote control system electricity, be equipped with floating ball liquid level switch in water inlet section, floating ball liquid level switch passes through the waterproof cable and is connected with external control case or remote control system electricity. This electric diving pump noise is low, and electric machine cooling is effectual, and the 30% -40% of the total cost of pumping station structure civil construction can be practiced thrift to no high temperature in the pump station.
Description
Technical field
The utility model relates to pump equipment field, specifically relate to a kind of water pump and submersible motor one and be easy to control water-filling submersible electric pump.
Background technique
Submerged Motor Pumps is widely used in a series of water supply and sewage work such as city water supply, sewage treatment, urban construction, industrial and mineral dock, field irrigation, power station.Submerged Motor Pumps motor is rotated by transmission shaft impeller, to liquid acting, can increase, thus make the liquid needing quantity, be transported to required eminence by the flow passage components of suction pit through pump or be required the place of certain pressure.Submerged Motor Pumps is divided into centrifugal pump, mixed flow pump and axial-flow pump three kinds of forms by the form of impeller, the pump that axial-flow pump leans on the blade of rotary blade to the active force that liquid produces, liquid to be carried in the axial direction, axial-flow pump is generally vertical, impeller is immersed under water, when the impeller mounting point of small axial flow pump exceeds the water surface, need to start with vacuum pump discharges diversion.The impeller upper blade of axial-flow pump divides fixed and movable adjustable two kinds of structures.Larger variation done by the applying working condition (comprising the parameter such as flow and lift) of Large Axial Flow Pump normal needs that are in operation, and can make pump under different operating mode, remain on high efficient area operation by the established angle of adjusting vane.The blade angle of miniature pump is generally fixing.Most of axial-flow pump can not regulate and control fluid flow as required at any time now, and the joint sealing mechanism of water Pump and Electromotor can not effectively prevent from leaking, and it is bad that the pump housing runs balance, and produces larger noise pollution.In addition, for the protection of and control the control box of submersible motor and be arranged on pump housing outside, be separated with the pump housing, exist during use mobile inconvenience, maintenance cost high and because of signaling line more, for add connect wires also extremely inconvenient and economical.In view of the technical problem existed in prior art, therefore, the Submerged Motor Pumps that a kind of novel Water of exigence is easy to control solves the problems of the technologies described above.
Summary of the invention
The purpose of this utility model is to provide a kind of Submerged Motor Pumps, and this Submerged Motor Pumps overall construction design is ingenious, water pump one coaxial with submersible motor, can dive beneath the water for a long time operation, manipulation convenience and high-efficiency, can remote-controlled operation or automatically control, safe and reliable to operation, long service life.
To achieve these goals, the technical solution adopted in the utility model is, a kind of Submerged Motor Pumps, comprise water pump and the submersible motor of coaxial connection, base and there is the terminal box of explosion sealing structure, the machine shaft of submersible motor connects water pump spindle by coupling, water inlet joint is provided with between water pump and submersible motor, water pump is arranged on water inlet joint upper end, submersible motor is arranged on water inlet joint lower end, submersible motor is fixedly mounted on base, set of terminal box is in submersible motor chamber, submersible motor is provided with water injection hole, waterway and staor winding overtemperature protection device, staor winding overtemperature protection device is electrically connected with terminal box, terminal box is electrically connected with external control case by dismountable water-proof cable, in water inlet joint, be provided with floating-ball level switch, floating-ball level switch is electrically connected with external control case by water-proof cable.
Improve as one of the present utility model, described water pump is provided with diffuser and impeller, impeller is arranged on the inner chamber of diffuser, impeller is fixed on water pump spindle by key and locking nut, water intake is provided with in diffuser inside top, and on water intake, be arranged with hemispherical nozzle cover, diffuser top is provided with lifting pipe mounting flange, described water inlet joint is provided with housing, and coupling and floating-ball level switch are arranged on water inlet joint enclosure interior, and housing upper and lower end is respectively provided with upper end cap and lower end cap, and the bottom of water pump guide vane body is connected by clamping bolt with water inlet joint upper end cap, submersible motor shell upper end is provided with upper bearing bracket, submersible motor is fixedly connected by upper bearing bracket and water inlet joint lower end cap, upper bearing bracket endoporus is connected with machine shaft by oil sealing and upper bearing (metal), motor casing lower end is provided with step, step endoporus is connected with machine shaft by oil sealing and lower bearing, step and base are fixedly connected, the rotor of submersible motor is fixed on machine shaft, stator is fixed on motor casing, double-mechanical sealing part is provided with in the surrounding of motor upper bearing bracket and step, motor casing offers the water injection hole and dewatering orifice that are connected with waterway, water injection hole adopts screw sealing of pouring water, dewatering orifice adopts the screw sealing that discharges water.
Improve as one of the present utility model, in motor casing, be provided with condensation-preventing device, bottom motor step, be provided with pressure balance film, improve the performance of submersible motor further, make the work of motor more safe and reliable, extend its working life.
Improve as one of the present utility model, described submersible motor adopts motor winding insulation grade to be F level and security level is the threephase asynchronous of IP68 level, described threephase asynchronous is by its inner transducer drive, the input power of the change automatic control motor of water level can be adapted in conjunction with floating-ball level switch, energy-saving and cost-reducing object can be reached, also can realize telecontrol simultaneously, realize pumping plant management modernization.
Improve as one of the present utility model, described water pump, air guide sleeve, water inlet joint housing, motor casing, clamping bolt, screw of pouring water, discharge water screw and base all adopt stainless steel material to make, can be corrosion-resistant for a long time, effectively improve usability and the working life of electric pump.
Improve as one of the present utility model, lifting pipe mounting flange is provided with water-proof cable draw-in groove, water-proof cable, by behind the location of draw-in groove, can be avoided damaging cable during vane rotary.
Relative to prior art, water pump is connected with submersible motor by the utility model, pull the plug work simultaneously, need not in erecting bed work consuming, eliminate the assembly process of machine consuming time, pump shaft line centering, in-site installation easily and fast, has compact structure, Operation and Maintenance is simple, installation and repairing is convenient, long service life and pump station device efficiency advantages of higher; Submersible motor adopts the water-filling type of cooling of waterway, its function admirable, durable, the immersion that need not worry water, is easier to electrical control, makes control circuit simpler; And be provided with staor winding overtemperature protection device in submersible motor and condensation-preventing device definitely can be protected motor, frequency variator is adopted to carry out drived control, in conjunction with the use of floating-ball level switch, can change according to required liquid level, the starting of automatically controlled water pump and stopping, special messenger is not needed to keep an eye on, extremely easy to use; Impeller adopts stainless steel, high, anti-corrosion, the wear-resisting longer service life of its efficiency; Electric pump pulls the plug operation, noise is low, cooling effect of motor is good, without high temperature in pumping plant, noise free disturbs, improve the working environment of pumping plant, in addition, greatly can simplify the civil engineering structure of pumping plant, reduce and floor space is installed, save the 30%-40% of pump station structure civil works total cost, electric pump is communicated with control box or tele-control system by water-proof cable, easy to operate, flexible, can open and close unit at any time, without the need to lubricating the bearing of water pump before starting shooting again, and be easy to realize remote control and automatically control.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1-water pump, 2-submersible motor, 3-base, 4-water inlet joint, 5-terminal box, 6-water-proof cable, 7-machine shaft, 8-water pump spindle, 9-diffuser, 10-impeller, 11-air guide sleeve, 12-upper bearing bracket, 13-step, 14-oil sealing, 15-upper bearing (metal), 16-lower bearing, 17-pours water screw, and 18-discharges water screw, 19-stator, 20-rotor, 21-clamping bolt.
Embodiment
In order to deepen understanding and cognition of the present utility model, below in conjunction with accompanying drawing the utility model be further described and introduce.
As shown in Figure 1, a kind of Submerged Motor Pumps, comprise the coaxial water pump 1 that connects and submersible motor 2, base 3 and there is the terminal box 5 of explosion sealing structure, the machine shaft 7 of submersible motor 2 connects water pump spindle 8 by coupling, water inlet joint 4 is provided with between water pump 1 and submersible motor 2, water pump 1 is arranged on water inlet joint 4 upper end, and submersible motor 2 is arranged on water inlet joint 4 lower end, and submersible motor 2 fixedly mounts on the base 3.Terminal box 5 is arranged in submersible motor 2 chamber; submersible motor 2 is provided with water injection hole, waterway and stator 19 winding overtemperature protection device; stator 19 winding overtemperature protection device is electrically connected with terminal box 5, and terminal box 5 is electrically connected with external control case or tele-control system by dismountable water-proof cable.In water inlet joint 4, be provided with floating-ball level switch, floating-ball level switch is electrically connected with external control case or tele-control system by water-proof cable.
Above-mentioned Submerged Motor Pumps adopts vertical upper pump type structure, and submersible motor 2 is arranged on the below of water pump 1.Described water pump 1 is provided with diffuser 9 and impeller 10, impeller 10 is arranged on the inner chamber of diffuser 9, impeller 10 is fixed on water pump spindle 8 by key and locking nut, water intake is provided with in diffuser 9 inside top, and on water intake, be arranged with hemispherical nozzle cover 11, diffuser 9 top is provided with lifting pipe mounting flange.Described water inlet joint 4 is provided with housing, and coupling and floating-ball level switch are arranged on water inlet joint 4 enclosure interior, and housing upper and lower end is respectively provided with upper end cap and lower end cap, and the bottom of water pump 1 diffuser 9 is connected by clamping bolt 21 with water inlet joint 4 upper end cap.Submersible motor 2 shell upper end is provided with upper bearing (metal) 15 12, submersible motor 2 is fixedly connected with water inlet joint 4 lower end cap by upper bearing (metal) 15 12, upper bearing (metal) 15 12 endoporus are connected with machine shaft 7 by oil sealing 14 and upper bearing (metal) 15, motor casing lower end is provided with lower bearing 16 13, and lower bearing 16 13 endoporus are connected with machine shaft 7 by oil sealing 14 and lower bearing 16.Lower bearing 16 13 is fixedly connected with base 3, and the setting of base 3 is to support whole Submerged Motor Pumps and preventing submersible motor 2 from poaching.The rotor 20 of submersible motor 2 is fixed on machine shaft 7, and stator 19 is fixed on motor casing, is provided with double-mechanical sealing part in the surrounding of motor upper bearing (metal) 15 12 and lower bearing 16 13.Motor casing offers two water injection holes and a dewatering orifice that are connected with waterway, and two water injection holes all adopt stainless steel screw 17 of pouring water to seal, and dewatering orifice adopts the screw 18 that discharges water of stainless steel to seal.
Preferably, described submersible motor 2 adopts motor winding insulation grade to be F level and security level is the threephase asynchronous of IP68 level, described threephase asynchronous is by its inner transducer drive, the input power of the change automatic control motor of water level can be adapted in conjunction with floating-ball level switch, energy-saving and cost-reducing object can be reached, also can realize telecontrol simultaneously, realize pumping plant management modernization.
Further preferably, in motor casing, be provided with condensation-preventing device, bottom motor lower bearing 16 13, be provided with pressure balance film, improve the performance of submersible motor 2 further, make the work of motor more safe and reliable, extend its working life.
Further preferably, described water pump 1, air guide sleeve 11, water inlet joint 4 housing, motor casing, clamping bolt and base 3 all adopt stainless steel material to make, can be corrosion-resistant for a long time, effectively improve usability and the working life of electric pump.
Further preferably, lifting pipe mounting flange is provided with water-proof cable 6 draw-in groove, water-proof cable 6, by behind the location of draw-in groove, damages cable when impeller 10 can be avoided to rotate.
During use, first back out motor casing top two and only to pour water screw 17, injected clear water in submersible motor 2 machine, then water tighten screw 17 of pouring water till overflowing from water injection hole.Submerged Motor Pumps Weeds Around must be removed, and should add trash rack and prevent foreign-body aspiration, batter down impeller 10 around electric pump, the water temperature that electric pump is suitable for is not higher than 40 DEG C, the soda acid pH value of water should in 5.5 ~ 8.5 scopes, and electric pump must pull the plug completely, and depth of immersion must not be less than 0.8 meter.Cable is damaged through tightening on lifting pipe in order to avoid when impeller 10 rotates after water-proof cable 6 draw-in groove and with iron wire by stretching for water-proof cable 6.
Water pump 1 is connected with submersible motor 2 by this Submerged Motor Pumps, and pull the plug work simultaneously, can remote-controlled operation or automatically control.Without the need to building pump house (pumping plant), do not need surface structures facility, thus greatly save investment of building a station.It is simple that this electric pump also has structure, installs and uses, easy to maintenance, safe and reliable to operation, pump station device efficiency advantages of higher.
It should be noted that above-described embodiment, be not used for limiting protection domain of the present utility model, equivalents done on the basis of technique scheme or the alternative scope all falling into the utility model claim and protect.
Claims (6)
1. a Submerged Motor Pumps, it is characterized in that: the water pump and the submersible motor that comprise coaxial connection, base and there is the terminal box of explosion sealing structure, the machine shaft of submersible motor connects water pump spindle by coupling, water inlet joint is provided with between water pump and submersible motor, water pump is arranged on water inlet joint upper end, submersible motor is arranged on water inlet joint lower end, submersible motor is fixedly mounted on base, set of terminal box is in submersible motor chamber, submersible motor is provided with water injection hole, waterway and staor winding overtemperature protection device, staor winding overtemperature protection device is electrically connected with terminal box, terminal box is electrically connected with external control case or tele-control system by dismountable water-proof cable, in water inlet joint, be provided with floating-ball level switch, floating-ball level switch is electrically connected with external control case or tele-control system by water-proof cable.
2. Submerged Motor Pumps as claimed in claim 1, it is characterized in that, described water pump is provided with diffuser and impeller, impeller is arranged on the inner chamber of diffuser, impeller is fixed on water pump spindle by key and locking nut, be provided with water intake in diffuser inside top, and on water intake, be arranged with hemispherical nozzle cover, diffuser top is provided with lifting pipe mounting flange, described water inlet joint is provided with housing, and coupling and floating-ball level switch are arranged on water inlet joint enclosure interior, and housing upper and lower end is respectively provided with upper end cap and lower end cap, and the bottom of water pump guide vane body is connected by clamping bolt with water inlet joint upper end cap, submersible motor shell upper end is provided with upper bearing bracket, submersible motor is fixedly connected by upper bearing bracket and water inlet joint lower end cap, upper bearing bracket endoporus is connected with machine shaft by oil sealing and upper bearing (metal), motor casing lower end is provided with step, step endoporus is connected with machine shaft by oil sealing and lower bearing, step and base are fixedly connected, the rotor of submersible motor is fixed on machine shaft, stator is fixed on motor casing, double-mechanical sealing part is provided with in the surrounding of motor upper bearing bracket and step, motor casing offers the water injection hole and dewatering orifice that are connected with waterway, water injection hole adopts screw sealing of pouring water, dewatering orifice adopts the screw sealing that discharges water.
3. Submerged Motor Pumps as claimed in claim 2, is characterized in that, in motor casing, be provided with condensation-preventing device, be provided with pressure balance film bottom motor step.
4. Submerged Motor Pumps as claimed in claim 3, is characterized in that, described submersible motor adopts motor winding insulation grade to be F level and security level is the threephase asynchronous of IP68 level, and described threephase asynchronous is by its inner transducer drive.
5. Submerged Motor Pumps as claimed in claim 2, is characterized in that, described water pump, air guide sleeve, water inlet joint housing, motor casing, clamping bolt, screw of pouring water, discharge water screw and base all adopt stainless steel material to make.
6. Submerged Motor Pumps as claimed in claim 2, is characterized in that, lifting pipe mounting flange is provided with water-proof cable draw-in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520925551.9U CN205190259U (en) | 2015-11-19 | 2015-11-19 | Electric diving pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520925551.9U CN205190259U (en) | 2015-11-19 | 2015-11-19 | Electric diving pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205190259U true CN205190259U (en) | 2016-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520925551.9U Active CN205190259U (en) | 2015-11-19 | 2015-11-19 | Electric diving pump |
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| Country | Link |
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| CN (1) | CN205190259U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107659047A (en) * | 2017-11-06 | 2018-02-02 | 中科探海(苏州)海洋科技有限责任公司 | One kind bears combined load submersible machine |
| CN109538498A (en) * | 2018-12-26 | 2019-03-29 | 合肥盛亚电机电泵有限公司 | A kind of underwater automatic water-replenishing device of water-filling submersible electric pump |
| CN115313729A (en) * | 2022-07-27 | 2022-11-08 | 哈尔滨工程大学 | Motor waterproof device of underwater vehicle control mechanism |
-
2015
- 2015-11-19 CN CN201520925551.9U patent/CN205190259U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107659047A (en) * | 2017-11-06 | 2018-02-02 | 中科探海(苏州)海洋科技有限责任公司 | One kind bears combined load submersible machine |
| CN109538498A (en) * | 2018-12-26 | 2019-03-29 | 合肥盛亚电机电泵有限公司 | A kind of underwater automatic water-replenishing device of water-filling submersible electric pump |
| CN115313729A (en) * | 2022-07-27 | 2022-11-08 | 哈尔滨工程大学 | Motor waterproof device of underwater vehicle control mechanism |
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