CN107819378A - A kind of underwater sealing sand throwing apparatus and a kind of submersible motor - Google Patents
A kind of underwater sealing sand throwing apparatus and a kind of submersible motor Download PDFInfo
- Publication number
- CN107819378A CN107819378A CN201711174552.4A CN201711174552A CN107819378A CN 107819378 A CN107819378 A CN 107819378A CN 201711174552 A CN201711174552 A CN 201711174552A CN 107819378 A CN107819378 A CN 107819378A
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- CN
- China
- Prior art keywords
- sand
- notopodium
- throwing
- ring
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/124—Sealing of shafts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/132—Submersible electric motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of underwater sealing sand throwing apparatus, include the base of circle, sand-throwing ring is set on base, the base sets notopodium, and the notopodium is located at homonymy with the sand-throwing ring.The present invention installs notopodium additional on the basis of original sand throwing apparatus, and notopodium produces pressure when rotating, prevents the grains of sand and dirt from entering sealing, further, when being respectively provided with notopodium inside and outside sand throwing apparatus sand-throwing ring, it is better to get rid of sand.
Description
Technical field
The present invention relates to a kind of sealing structure, more particularly to a kind of underwater sealing sand throwing apparatus.
Background technology
Submersible motor is provided with axle envelope to prevent the grains of sand and dirt from entering intracavitary.In operation, because pressure medium is higher than electricity
During machine cavity pressure, pressure medium is uneven with submersible motor cavity pressure, and the grains of sand and dirt easily enter in motor cavity.Cause to dive
Hydroelectric machine bearing damage, causes burn-down of electric motor.The problem of similar also usually come across as immersible pump and other there is the water of rotating shaft
In lower device.Existing sealing sand control structure uses the sand throwing apparatus of lid more, as shown in figure 1, but sand control is imitated in actual use
Fruit is bad.
The content of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of underwater sealing sand throwing apparatus.
The technical solution adopted by the present invention is：A kind of underwater sealing sand throwing apparatus, include the base of circle, set on base
Sand-throwing ring, the base set notopodium, and the notopodium is located at homonymy with the sand-throwing ring.
A kind of described underwater sealing sand throwing apparatus, it is characterized in that：The notopodium includes being arranged at one on the outside of sand-throwing ring
Road notopodium is with being arranged at two notopodiums on the inside of sand-throwing ring.
A kind of double notopodium sealing sand control structures of described submersible motor, it is characterized in that：One of notopodium and two notopodiums
The number of blade be 8, it is uniform as axis using the base center axle.
A kind of submersible motor for being provided with underwater sealing sand throwing apparatus, including rotating shaft, machine cover, fixed peace in the rotating shaft
Sand throwing apparatus are filled, the sand throwing apparatus include circular base, sand-throwing ring, axle sleeve and notopodium are provided with the base, described to get rid of sand
Device is connected by the axle sleeve with the rotating shaft, and the machine covers the centrally disposed circular boss in outer face, the boss diameter
Less than the sand-throwing ring internal diameter, resistance sand gap is formed between the two.
A kind of described submersible motor, it is characterized in that：The notopodium includes one of notopodium and two notopodiums, described to carry on the back together
Leaf is distributed in the sand-throwing ring outward flange, and two notopodium is distributed in the axle sleeve outward flange.
The present invention installs notopodium additional on the basis of original sand throwing apparatus, and notopodium produces pressure when rotating, prevents the grains of sand and dirt
Into sealing, further, when being respectively provided with notopodium inside and outside sand throwing apparatus sand-throwing ring, it is better to get rid of sand.
Brief description of the drawings
Fig. 1 is prior art sand throwing apparatus structural representation；
Fig. 2 is the sand throwing apparatus structural representation of the embodiment of the present invention one；
Fig. 3 is the submersible motor structural representation of the embodiment of the present invention one；
Fig. 4 is the sand throwing apparatus structural representation of the embodiment of the present invention two；
Fig. 5 is the submersible motor structural representation of the embodiment of the present invention two；
Fig. 6 is the sand throwing apparatus structural representation of the embodiment of the present invention three；
Fig. 7 is the submersible motor structural representation of the embodiment of the present invention three.
In figure：1- rotating shafts, 2- sand throwing apparatus, 21- bases, 22- sand-throwing rings, 23- axle sleeves, one of notopodium of 24-, 25- bis- are carried on the back
Leaf, the capping of 3- machines, 31- boss, 4- mechanical seals, 5- resistance sand gap.
Embodiment
Embodiment one：
As shown in Fig. 2 the base 21 of sand throwing apparatus 2 is circle, sand-throwing ring 22, notopodium 24 with together with of axle sleeve 23 are provided with, together
Notopodium 24 includes 4 blades, and the outward flange of sand-throwing ring 22 is distributed in by axis of base center axle.As shown in figure 3, submersible motor bag
Rotating shaft 1 and machine capping 3 are included, sand throwing apparatus 2 are fixedly installed in rotating shaft 1 by axle sleeve 23, and machine covers 3 outer faces and sets the convex of circle
Platform 31, the external diameter of boss 31 are less than the internal diameter of sand-throwing ring 22, and sand-throwing ring 22 is placed on outside boss 31, form resistance sand gap 5, machine between the two
The inner side of capping 3 sets mechanical seal 4.
When motor works, sand throwing apparatus 2 rotate with rotating shaft 1, and one of rotation of notopodium 22 produces pressure, stops the grains of sand, hinders sand
Gap 5 effectively can prevent the grains of sand from entering because gap is long and narrow, and the chamber of a semi-hermetic is formed between sand throwing apparatus 2 and machine capping 3,
Only few grains of sand dirt can avoid one of notopodium and enter intracavitary by hindering sand gap, and mechanical seal 4 is last one
Sealing, stops the grains of sand dirt by hindering sand gap.
Embodiment two：
As shown in figure 4, the base 21 of sand throwing apparatus 2 is circle, sand-throwing ring 22, the notopodium 25 of axle sleeve 23 and two are provided with, two
Notopodium 24 includes 2 blades, and the outward flange of axle sleeve 23 is distributed in by axis of base center axle.As shown in figure 5, submersible motor includes
Rotating shaft 1 and machine capping 3, sand throwing apparatus 2 are fixedly installed in rotating shaft 1 by axle sleeve 23, and machine covers 3 outer faces and sets circular boss
31, the external diameter of boss 31 is less than the internal diameter of sand-throwing ring 22, and sand-throwing ring 22 is placed on outside boss 31, forms resistance sand gap 5, machine envelope between the two
The inner side of lid 3 sets mechanical seal 4.
When motor works, sand throwing apparatus 2 rotate with rotating shaft 1, and resistance sand gap 5 can effectively prevent the grains of sand because gap is long and narrow
Into the chamber of one semi-hermetic of formation, only few grains of sand dirt can avoid one of back of the body between sand throwing apparatus 2 and machine capping 3
Leaf simultaneously enters intracavitary by hindering sand gap, and two notopodiums 25 produce pressure by rotating, and stop that cavity external world grains of sand dirt enters,
Mechanical seal 4 seals together to be last, stops and goes successively to motor by hindering the grains of sand dirt in sand gap.
Embodiment three：
As shown in fig. 6, the base 21 of sand throwing apparatus 2 is circle, sand-throwing ring 22, axle sleeve 23, one of notopodium 24 and two are provided with
Notopodium 25, one of notopodium 24 include 8 blades, the outward flange of sand-throwing ring 22, two notopodiums are distributed in by axis of base center axle
24 include 8 blades, and the outward flange of axle sleeve 23 is distributed in by axis of base center axle.As shown in fig. 7, submersible motor includes rotating shaft
1 and machine capping 3, sand throwing apparatus 2 are fixedly installed in rotating shaft 1 by axle sleeve 23, and machine covers 3 outer faces and sets circular boss 31,
The external diameter of boss 31 is less than the internal diameter of sand-throwing ring 22, and sand-throwing ring 22 is placed on outside boss 31, forms resistance sand gap 5, machine capping 3 between the two
Inner side sets mechanical seal 4.
When motor works, sand throwing apparatus 2 rotate with rotating shaft 1, and one of rotation of notopodium 22 produces pressure, stops the grains of sand, hinders sand
Gap 5 effectively can prevent the grains of sand from entering because gap is long and narrow, and the chamber of a semi-hermetic is formed between sand throwing apparatus 2 and machine capping 3,
Only few grains of sand dirt can avoid one of notopodium and enter intracavitary by hindering sand gap, and two notopodiums 25 are produced by rotating
Raw pressure, stop that cavity external world grains of sand dirt enters, mechanical seal 4 seals together to be last, stops the sand by hindering sand gap
Grain dirt goes successively to motor.
One of notopodium in the present embodiment, resistance sand gap, two notopodiums, four sealings that mechanical seal is formed, effectively resistance
Infringement of the silt dirt to motor in sealing, substantially reduce motor fault rate in long time running, it is optimal real for the present invention
Apply example.
In the embodiment of the present invention, together, two notopodiums with 8 blade best results, but different blade quantities is still fallen within
Within the scope of the present invention, equally, together, two notopodiums according to specific design requirement the alteration of form of blade in itself is also existed
Within the scope of the present invention.
Claims (5)
1. a kind of underwater sealing sand throwing apparatus, including circular base（21）, sand-throwing ring is set on base（22）, it is characterized in that：
The base sets notopodium, and the notopodium is located at homonymy with the sand-throwing ring.
2. a kind of underwater sealing sand throwing apparatus according to claim 1, it is characterized in that：The notopodium includes being arranged at getting rid of sand
One of notopodium on the outside of ring is with being arranged at two notopodiums on the inside of sand-throwing ring.
3. a kind of double notopodium sealing sand control structures of submersible motor according to claim 2, it is characterized in that：One of notopodium
The number of blade with two notopodiums is 8, uniform as axis using the base center axle.
4. a kind of submersible motor for being provided with underwater sealing sand throwing apparatus, including rotating shaft（1）, machine capping（3）, it is solid in the rotating shaft
Dingan County fills sand throwing apparatus（2）, it is characterized in that：The sand throwing apparatus include circular base（21）, sand-throwing ring is provided with the base
（22）, axle sleeve（23）And notopodium, the sand throwing apparatus are connected by the axle sleeve with the rotating shaft, the machine covers outer face center
Circular boss is set（31）, the boss diameter is less than the sand-throwing ring internal diameter, forms resistance sand gap between the two（5）.
5. a kind of submersible motor according to claim 5, it is characterized in that：The notopodium includes one of notopodium（22）With two
Notopodium（24）, one of notopodium be distributed in the sand-throwing ring outward flange, and two notopodium is distributed in the axle sleeve outward flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711174552.4A CN107819378A (en) | 2017-11-22 | 2017-11-22 | A kind of underwater sealing sand throwing apparatus and a kind of submersible motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711174552.4A CN107819378A (en) | 2017-11-22 | 2017-11-22 | A kind of underwater sealing sand throwing apparatus and a kind of submersible motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107819378A true CN107819378A (en) | 2018-03-20 |
Family
ID=61610408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711174552.4A Pending CN107819378A (en) | 2017-11-22 | 2017-11-22 | A kind of underwater sealing sand throwing apparatus and a kind of submersible motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107819378A (en) |
-
2017
- 2017-11-22 CN CN201711174552.4A patent/CN107819378A/en active Pending
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