CN206625985U - A kind of high reliability proof submersible sand discharging pump - Google Patents
A kind of high reliability proof submersible sand discharging pump Download PDFInfo
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- CN206625985U CN206625985U CN201621231907.XU CN201621231907U CN206625985U CN 206625985 U CN206625985 U CN 206625985U CN 201621231907 U CN201621231907 U CN 201621231907U CN 206625985 U CN206625985 U CN 206625985U
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- cable
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- motor
- sand discharging
- discharging pump
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Abstract
Reliability design field is the utility model is related to, especially a kind of high reliability proof submersible sand discharging pump, comprising motor and impeller two large divisions, protection motor is specifically included, improves three parts of axle envelope and optimization impeller, it is characterised in that：The protection motor part includes：Cable access sets cable cover(ing) and cable feedthrough, and cable feedthrough upper end sets waterproof solid filler, while moisture detector is set at cable access, moisture detector connection warning system；The raising axle envelope part includes：Pump shaft, improved bearing body and electric motor end cap；Described optimization impeller wheel portion includes：The disk of impeller and class impeller is as accessory impeller.Reliability of the proof submersible sand discharging pump under severe use condition is improved, sealing property is optimized, protects motor, improves the operating efficiency of proof submersible sand discharging pump.
Description
Technical field
It the utility model is related to the reliability of reliability design field, particularly proof submersible sand discharging pump.
Background technology
With further enhancing for environmental consciousness, the application of proof submersible sand discharging pump is more and more extensive, and its importance is self-evident.
Proof submersible sand discharging pump is a kind of water pump and motor disjunctor, and slips into the pump class product to be worked under liquid simultaneously, and it is a kind of sewage pump, leaf
Piece is few, runner is wide, can convey various sanitary sewages, industrial wastewater, construction site draining, liquid feed etc..With it is general horizontal
Pump or vertical sump pump are compared, and proof submersible sand discharging pump has the advantages that compact-sized, floor space is small.Proof submersible sand discharging pump is due to slipping into
Work, therefore can be directly mounted in cesspool under liquid, without building special pump house, a large amount of soils and capital cost can be saved
With convenient to install and maintain.Small-sized proof submersible sand discharging pump can be installed freely, and large-scale proof submersible sand discharging pump is typically equipped with automatic coupling
Attach together and put and can be installed automatically, it is quite convenient to install and repair.Continuous operation time is grown, and proof submersible sand discharging pump is due to pump and electricity
Machine is coaxial, and axle is short, and rotatable parts are in light weight, therefore the radial load born on bearing is relatively small, and the life-span is longer than general pump
Much；The problems such as in the absence of cavitation damage and water；Vibration noise is small, and motor temperature rise is low, environmentally safe.Because sewage,
Impurity containing graininess, threadiness in waste water, the pump and motor of proof submersible sand discharging pump are joined directly together all to slip into for an entirety
Inside sewage, the sealed reliable sex chromosome mosaicism of such submersible motor is particularly critical.
Because the motor of submersible sewage pump is diving work, so equipment key point is motor entering water to be prevented, motor is once
Water inlet, bearing, winding insulation damage, causes burn-down of electric motor, increases the cost of overhaul and repair time, influence to produce.Thereby it is ensured that
Motor seal and water-leakage protecting device are normally just particularly important.And reliability design improves the sealed reliable of proof submersible sand discharging pump
Property, seek to ensure all contact surfaces, the sealing reliability of contact point of proof submersible sand discharging pump and extraneous sewage.Single part is all
By pressure test, will not occur leakage problems on its surface, key is that the contact surface between part and part has generation
The possibility of seepage, wherein mainly including sealing for sealing, respectively coupling mating surface at axle envelope, cable etc., therefore emphasis is answered to it
Structure design is optimized to improve sealing reliability.Still there are many designing units, manufacturing enterprise at present around submersible motor
Security reliability, which expands, to be studied and takes many control methods, but these safeguard protections after to be all failure occur are arranged
Apply.Want fundamentally to improve the reliability of proof submersible sand discharging pump, it should set about from the sealing property of proof submersible sand discharging pump in itself, optimize
Structure design, improve reliability of the pump under severe use condition.
The content of the invention
In order to improve the reliability of proof submersible sand discharging pump, the utility model provides a kind of high reliability proof submersible sand discharging pump, its mesh
Be to improve reliability of the proof submersible sand discharging pump under severe use condition, optimize sealing property, protect motor, improve submersible sewage
The operating efficiency of pump.
The purpose of this utility model is achieved through the following technical solutions：
A kind of described high reliability proof submersible sand discharging pump, comprising motor and impeller two large divisions, specifically include protection motor,
Improve three parts of axle envelope and optimization impeller, it is characterised in that：The protection motor part includes：Cable access sets cable protection
Set and cable feedthrough, cable feedthrough upper end sets waterproof solid filler, while moisture detector, humidity are set at cable access
Detector connects warning system；The raising axle envelope part includes：Pump shaft, improved bearing body and electric motor end cap；It is described
Optimization impeller wheel portion include：The disk of impeller and class impeller is as accessory impeller.
A kind of described high reliability proof submersible sand discharging pump, it is protected in motor part, is characterised by：Die casting one on cable
Individual cable cover(ing) is brought into close contact with cable, and cable feedthrough supports the use with cable cover(ing), and is integrally attached on electric motor end cap, electricity
Cable connects extraneous power supply from cable feedthrough upper end outlet, and outlet has waterproof solid filler closely to be surrounded with cable, and fills up out
Mouth strengthens sealing.
A kind of described high reliability proof submersible sand discharging pump, it is protected in motor part, is characterised by：Cable passes through motor side
Lid import enters in motor, and moisture detector is set in cable access, and when seal failure, leakage occurs, and has water or steam to enter
Enter cable access, described moisture detector detects that humidity changes at cable access, and telecommunications is converted into by humidity variable signal
The warning system to external world's connection number is spread out of, sends alarm, worker receives shutdown maintenance after alarm signal.
A kind of described high reliability proof submersible sand discharging pump, it improves in axle envelope mass fraction, is characterised by：Upper bearing (metal) is to axle
Mainly play point action, upper bearing (metal) body is integrally cast with external motor housing together with, from the good material of anti-wear performance to axle
Hold and be processed, improve bearing reliability.
A kind of described high reliability proof submersible sand discharging pump, it optimizes in impeller wheel portion, is characterised by：Face device after the impeller
For the disk of one similar unshrouded impeller with gib block radial blade as accessory impeller, reduction axle envelope pressure at both sides is poor, reduces
Leakage may.
Patent advantage of the present invention is：
1) proof submersible sand discharging pump sealing property is optimized, so as to protect motor；
2) run stability and security reliability of proof submersible sand discharging pump are enhanced；
3) operating efficiency of proof submersible sand discharging pump is improved；
Brief description of the drawings
Fig. 1 is overall structure diagram.
Fig. 2 is the structural representation for protecting motor part.
Fig. 3 is the structural representation for improving axle envelope part.
Fig. 4 is the structural representation for optimizing impeller wheel portion.
In figure, 1 is pump shaft, and 2 be electric motor end cap, and 3 be cable, and 4 be waterproof solid filler, and 5 be cable feedthrough, and 6 be electricity
Cable sheath, 7 be moisture detector, and 8 be cable access, and 9 be upper bearing (metal) body, 10 is accessory impeller, 11 is impeller.
Embodiment
The utility model is illustrated below according to accompanying drawing：
Accompanying drawing 1 is a kind of overall structure diagram of high reliability proof submersible sand discharging pump, including motor (a) and impeller (b) two
Individual major part, specifically include protection motor part (2-8), improve axle envelope mass fraction (1,2,9) and optimize impeller wheel portion (10,
11), wherein, protect in motor part, cable (3) mainly is responsible for transmitting power to motor, passes through the cable on electric motor end cap (2)
Import (8) enters in motor, and cable cover(ing) (6) and cable feedthrough (5), cable feedthrough (5) upper end outlet are provided with cable (3)
Waterproof solid filler (4) is set, while cable access (8) place is additionally provided with moisture detector (7), moisture detector (7) is even
Connect external alarm system；Improve in axle envelope mass fraction, include pump shaft (1), upper bearing (metal) body (9) and electric motor end cap (2)；Optimization
In impeller wheel portion, impeller (11) and accessory impeller (10) are included.
Accompanying drawing 2 is the structural representation that a kind of high reliability proof submersible sand discharging pump protects motor part, at water-repellent paint
On cable (3) after reason, cable cover(ing) (6) closely pastes by way of die casting substitutes seal (block rubber, spring leaf) to compress
Close on cable (3), cable feedthrough (5) supports the use with cable cover(ing) (6), and is fixed on electric motor end cap by metal-to-metal adhesive
(2) on, cable (3) connects extraneous power supply from cable feedthrough (5) upper end outlet, and there are waterproof solid filler (4) and cable in outlet
(3) closely surround and fill up outlet and seal, cable (3) enters motor by cable access (8) on electric motor end cap (2)
It is interior, moisture detector (7) is set in cable access (8), works as seal failure, when leakage occurs, has water or steam to enter into cable
During mouth (8), the described water gauge (7) that enters detects that cable access (8) humidity changes, and water inlet signal is converted into electric signal passes
Go out the warning system to external world's connection, send alarm, worker, which receives, to carry out shutdown after alarm signal and avoid due to a large amount of leakages
Further leaked inside immersible pump afterwards and damage bearing, winding insulation, cause burn-down of electric motor to be damaged.
Accompanying drawing 3 is the structural representation that a kind of high reliability proof submersible sand discharging pump improves axle envelope mass fraction, and motor (a) improves
In axle envelope mass fraction, upper bearing (metal) (9) mainly plays point action to axle (1), and upper bearing (metal) body (9) and electric motor end cap (2) is overall
Casting together, while is processed from the good material of anti-wear performance to bearing, and to extend the life-span of bearing, that improves bearing can
By property, run stably in a long term for pump and a sound assurance is provided.
Accompanying drawing 4 is the structural representation that a kind of high reliability proof submersible sand discharging pump optimizes impeller wheel portion, in impeller wheel portion (b),
In the disk similar to unshrouded impeller of impeller (11) following device one with gib block radial blade as accessory impeller (10),
It is poor to reduce axle envelope pressure at both sides when accessory impeller rotates, reducing leakage may.
It is understood that the restriction of structure shown in figure not structure paired systems, can include than illustrate it is more or
Less equipment, either combine some equipment or different deployed with devices.
The utility model is not limited to above-described embodiment, also comprising other embodiments in the range of present inventive concept and variation.
Claims (5)
1. a kind of high reliability proof submersible sand discharging pump, comprising motor and impeller two large divisions, specifically include protection motor, improve axle envelope
With three parts of optimization impeller, it is characterised in that the protection motor part includes：Cable access sets cable cover(ing) and cable
Gland, cable feedthrough upper end sets waterproof solid filler, while moisture detector is set at cable access, and moisture detector connects
Receive a crime report reporting system；The raising axle envelope part includes：Pump shaft, improved bearing body and electric motor end cap；Described optimization leaf
Wheel portion point includes：The disk of impeller and class impeller is as accessory impeller.
2. a kind of high reliability proof submersible sand discharging pump as claimed in claim 1, it is protected in motor part, is characterised by：In electricity
One cable cover(ing) of die casting is brought into close contact with cable on cable, and cable feedthrough supports the use with cable cover(ing), and is integrally attached to electricity
Generator terminal covers, and cable connects extraneous power supply from cable feedthrough upper end outlet, and outlet has waterproof solid filler closely to be wrapped with cable
Enclose, and fill up outlet and strengthen sealing.
3. a kind of high reliability proof submersible sand discharging pump as claimed in claim 1, it is protected in motor part, is characterised by：Cable
Entered by electric motor end cap import in motor, moisture detector is set in cable access, when seal failure, leakage occurs, and has
Water or steam enter cable access, and described moisture detector detects that humidity changes at cable access, by humidity variable signal
It is converted into electric signal and spreads out of the warning system connected to the external world, sends alarm, worker receives shutdown maintenance after alarm signal.
4. a kind of high reliability proof submersible sand discharging pump as claimed in claim 1, it improves in axle envelope mass fraction, is characterised by：
Upper bearing (metal) mainly plays point action to axle, upper bearing (metal) body is integrally cast with external motor housing together with, it is good from anti-wear performance
Material bearing is processed, improve bearing reliability.
5. a kind of high reliability proof submersible sand discharging pump as claimed in claim 1, it optimizes in impeller wheel portion, is characterised by：In leaf
The disk of one similar unshrouded impeller with gib block radial blade of following device is taken turns as accessory impeller, reduces the side pressure of axle envelope two
Power is poor, and reducing leakage may.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621231907.XU CN206625985U (en) | 2016-11-17 | 2016-11-17 | A kind of high reliability proof submersible sand discharging pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621231907.XU CN206625985U (en) | 2016-11-17 | 2016-11-17 | A kind of high reliability proof submersible sand discharging pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206625985U true CN206625985U (en) | 2017-11-10 |
Family
ID=60212824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621231907.XU Active CN206625985U (en) | 2016-11-17 | 2016-11-17 | A kind of high reliability proof submersible sand discharging pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206625985U (en) |
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2016
- 2016-11-17 CN CN201621231907.XU patent/CN206625985U/en active Active
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