CN206636790U - Flame-proof type submersible desilting pumping system - Google Patents
Flame-proof type submersible desilting pumping system Download PDFInfo
- Publication number
- CN206636790U CN206636790U CN201720377277.5U CN201720377277U CN206636790U CN 206636790 U CN206636790 U CN 206636790U CN 201720377277 U CN201720377277 U CN 201720377277U CN 206636790 U CN206636790 U CN 206636790U
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- Prior art keywords
- mechanical seal
- machine
- sealing
- motor shaft
- joint sealing
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- Expired - Fee Related
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Abstract
A kind of flame-proof type submersible desilting pumping system is the utility model is related to, belongs to pump technical field.Including sealing chamber, sealing chamber includes machine joint sealing, and motor shaft is set through machine joint sealing, and in machine joint sealing, motor shaft periphery is provided with mechanical seal, and machine joint sealing bottom covers provided with machine.The utility model can protect mechanical seal well and not worn by highly pressurised liquid and mud and sand grains, extend the service life of mechanical seal, saved cost, reduce maintenance work.
Description
Technical field
A kind of flame-proof type submersible desilting pumping system is the utility model is related to, belongs to pump technical field.
Background technology
Submersible slurry dredging pump series of tasks environment is poor, is directly worked in mud, sand grains, and mechanical seal damages very
It hurry up, it is often necessary to change, replacing needs to pull out pump from mud, and workload is very big, influences job schedule, also increases enterprise
Industry cost, adds maintenance workload, adds maintenance cost.
Utility model content
The purpose of this utility model is to provide a kind of flame-proof type submersible desilting pumping system, and it is close can to protect machinery well
Envelope is not worn by highly pressurised liquid and mud and sand grains, is extended the service life of mechanical seal, has been saved cost, reduces
Maintenance work.
Flame-proof type submersible desilting pumping system described in the utility model, including sealing chamber, sealing chamber include machine joint sealing, motor
Axle is set through machine joint sealing, and in machine joint sealing, motor shaft periphery is provided with mechanical seal, and machine joint sealing bottom covers provided with machine.
Machine joint sealing and machine capping enclose machine envelope cavity, and mechanical seal is located in machine envelope cavity, not by external high pressure pump chamber
The active force of internal highly pressurised liquid, is not worn by mud and sand grains, substantially prolongs service life, reduces frequency of maintenance,
Reduce maintenance workload, reduce maintenance cost, reduce entreprise cost.
It is further preferred that machine capping bottom is provided with accessory impeller, accessory impeller is on motor shaft.Pair is provided with outside sealing chamber
Impeller, minim gap is formed with sealing chamber, gap can adjust, be rotated together with motor shaft, by the sludge around sealing chamber, sand
Grain is thrown away, and remains that mechanical seal is not attacked by external pressure and sludge, and mechanical seal is in good lubricant environment, only
There is the natural counterpressure of itself, reduce the abrasion of mechanical seal to greatest extent, so as to effectively ensure motor and pump
Normal table operation, extend mechanical seal and pump bulk life time.
It is further preferred that being provided with sealing shroud between machine joint sealing and motor shaft, sealing is provided between machine capping and motor shaft
Set.Keep the sealing of sealing chamber and motor shaft.
It is further preferred that being provided with radiating ribs outside sealing chamber, be advantageous to sealing chamber's radiating, be advantageous to mechanical seal holding
Suitable operating temperature, further prolonged mechanical seal service life, reduce frequency of maintenance, save entreprise cost.
Compared with prior art, the beneficial effects of the utility model are：
(1) for the utility model by setting machine joint sealing and machine to cover composition sealing chamber, machine joint sealing and machine capping enclose machine
The machine envelope cavity of tool sealing, mechanical seal and the highly pressurised liquid of high pressure pump housing are kept apart, and highly pressurised liquid no longer directly acts on
In mechanical seal, reduce mechanical seal because even being damaged by high pressure effect abrasion, extend the service life of mechanical seal,
Reduce maintenance work, reduce entreprise cost；The abrasion of mud and sand grains to mechanical seal is also isolated simultaneously, has further subtracted
Lack the abrasion of mechanical seal, extend the service life of mechanical seal；
(2) full lubricating oil, cooling and lubricating mechanical seal, further improves mechanical seal work inside the sealing chamber after separating
Make environment, further reduce machine's sealing, the service life of prolonged mechanical sealing；
(3) accessory impeller is provided with outside sealing chamber, forms minim gap with sealing chamber, gap can adjust, with motor shaft one
Rotation is played, the sludge around sealing chamber, sand grains are thrown away, remain that mechanical seal is not attacked by external pressure and sludge,
Mechanical seal is in good lubricant environment, the only natural counterpressure of itself, reduces mechanical seal to greatest extent
Abrasion, so as to effectively ensure the normal table operation of motor and pump, extend mechanical seal and water pump bulk life time.
Brief description of the drawings
Fig. 1 is the structural representation of an embodiment of the present utility model.
In figure：1st, motor 2, sealing chamber 3, accessory impeller 4, pump housing 5, base 6, motor shaft 7, mechanical seal；
2.1st, machine joint sealing 2.2, machine capping 2.3, radiating ribs.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Embodiment one
As shown in figure 1, flame-proof type submersible desilting pumping system described in the utility model, including sealing chamber 2, sealing chamber 2 wraps
Machine joint sealing 2.1 is included, motor shaft 6 is set through machine joint sealing 2.1, and in machine joint sealing 2.1, the periphery of motor shaft 6 is provided with mechanical seal 7, machine
The bottom of joint sealing 2.1 is provided with machine capping 2.2.Machine joint sealing 2.1 and machine capping 2.2 enclose the machine envelope cavity of mechanical seal 7, and machinery is close
Envelope 7 and the highly pressurised liquid of high pressure pump housing 4 are kept apart, and highly pressurised liquid no longer directly acts on mechanical seal 7, reduces machinery
Sealing 7 extends the service life of mechanical seal 7, reduces maintenance work, reduce because even being damaged by high pressure effect abrasion
Entreprise cost；Also isolate the abrasion of mud and sand grains to mechanical seal 7 simultaneously, further reduce the mill of mechanical seal 7
Damage, extend the service life of mechanical seal 7；The bottom of pump housing 4 can be provided with base 5, for supporting, carry and the side of installation
Just.
Embodiment two
As shown in figure 1, machine, which covers 2.2 bottoms, is provided with accessory impeller 3, accessory impeller 3 is on motor shaft 6.Remaining same embodiment
One.The bottom of sealing chamber 2 is provided with accessory impeller 3, forms minim gap with sealing chamber 2, gap can adjust, be revolved together with motor shaft 6
Turn, the sludge around sealing chamber 2, sand grains are thrown away, remains that mechanical seal 7 is not attacked by external pressure and sludge, enters
One step reduces the abrasion of mechanical seal 7.
Embodiment three
As shown in figure 1, being provided with sealing shroud between machine joint sealing 2.1 and motor shaft 6, it is provided between machine capping 2.2 and motor shaft 6
Sealing shroud.Remaining is the same as embodiment one or embodiment two.
Example IV
As shown in figure 1, the outside of sealing chamber 2 is provided with radiating ribs 2.3, is advantageous to sealing chamber 2 and radiates, be advantageous to mechanical seal 7
Suitable operating temperature is kept, further prolonged mechanical seals 7 service lifes, reduces frequency of maintenance, saves entreprise cost.Remaining
With embodiment one or embodiment two.
The course of work or operation principle：
The outside of motor 1 is provided with housing, and motor shaft 6 is set through housing, and mechanical seal is provided between motor shaft 6 and housing
7, the outside of mechanical seal 7 is provided with machine joint sealing 2.1, and the bottom of machine joint sealing 2.1 is provided with machine capping 2.2, and mechanical seal 7 is located at sealing chamber 2
Machine envelope cavity in, lubricating oil can be filled in sealing chamber 2, for cooling and lubricating mechanical seal 7；Sealing chamber 2 is by mechanical seal 7
Separated with the highly pressurised liquid of high pressure pump housing 4, mechanical seal 7 is not subjected to the pressure of highly pressurised liquid, it is only necessary to keep certainly
The natural counterpressure of body, greatly reduces the abrasion of mechanical seal 7；The bottom of sealing chamber 2 is provided with accessory impeller 3, accessory impeller 3 and machine
Seal room 2 and form minim gap, rotate together with, the sludge around sealing chamber 2, sand grains can be thrown away with motor shaft 6, keep machinery
Sealing 7 is not attacked by outside sludge, further reduces the abrasion of mechanical seal 7, extends the service life of mechanical seal 7,
The pump overall life-span is extended, has saved entreprise cost.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
To the direction of structure and the description of relative position relation in the utility model, such as upper and lower description all around,
Do not form to limitation of the present utility model, only for convenience of description.
Claims (3)
1. a kind of flame-proof type submersible desilting pumping system, it is characterised in that including sealing chamber (2), sealing chamber (2) includes machine joint sealing
(2.1), motor shaft (6) is set through machine joint sealing (2.1), and in machine joint sealing (2.1), motor shaft (6) periphery is provided with mechanical seal
(7), machine joint sealing (2.1) bottom is provided with machine capping (2.2).
2. flame-proof type submersible desilting pumping system according to claim 1, it is characterised in that machine capping (2.2) bottom is provided with
Accessory impeller (3), accessory impeller (3) is on motor shaft (6).
3. flame-proof type submersible desilting pumping system according to claim 1, it is characterised in that machine joint sealing (2.1) and motor shaft
(6) sealing shroud is provided between, sealing shroud is provided between machine capping (2.2) and motor shaft (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720377277.5U CN206636790U (en) | 2017-04-11 | 2017-04-11 | Flame-proof type submersible desilting pumping system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720377277.5U CN206636790U (en) | 2017-04-11 | 2017-04-11 | Flame-proof type submersible desilting pumping system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206636790U true CN206636790U (en) | 2017-11-14 |
Family
ID=60248151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720377277.5U Expired - Fee Related CN206636790U (en) | 2017-04-11 | 2017-04-11 | Flame-proof type submersible desilting pumping system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206636790U (en) |
-
2017
- 2017-04-11 CN CN201720377277.5U patent/CN206636790U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171114 |