CN204357722U - A kind of high pressure tightness explosion-proof type submersible pump - Google Patents
A kind of high pressure tightness explosion-proof type submersible pump Download PDFInfo
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- CN204357722U CN204357722U CN201420738654.XU CN201420738654U CN204357722U CN 204357722 U CN204357722 U CN 204357722U CN 201420738654 U CN201420738654 U CN 201420738654U CN 204357722 U CN204357722 U CN 204357722U
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Abstract
The utility model relates to a kind of high pressure tightness explosion-proof type submersible pump, comprise permissible motor, the pump housing and connecting body, anti-explosion electric engine housing is connected with the pump housing by connecting body, the rotating shaft of permissible motor is connected with the paddle drive shaft in the pump housing, anti-explosion electric engine housing separately establishes airtight chamber outward, airtight chamber comprises chamber wall, front cover and tail end cover, wherein front cover and tail end cover and chamber wall surface of contact establish at least one circle seal ring, front cover separately establishes supporting shaft hole, tail end cover separately establishes suction port, relief opening and pressure relief opening, permissible motor is separately connected with airtight cavity wall by support plate.Basis is novel effectively will carry out dynamic isolation between submersible pump drive motor and water body and seal, avoid the erosion that the foreign material in water body and water body cause motor, enhance the radiating effect of motor, thus achieve the object improving motor running stability and extend motor working life.
Description
Technical field
The utility model relates to a kind of high pressure tightness explosion-proof type submersible pump, belongs to submersible pump technical field.
Background technique
At present when some inflammable and explosive occasions carry out draining, when especially carrying out water supply and sewage in mine, strict requirement is had on the one hand to the insulation of diving pump motor, strict requirement is had on the other hand to the sealing of diving pump motor, and owing to often including a large amount of silt in water body, the hard particles such as metal granule, also can there is some acidic materials or alkali matter simultaneously, thus one side has serious wearing and tearing and corrosion function to the housing of submersible pump and Sealing, also can there is heavy corrosion effect to submersible pump housing and pipeline etc. simultaneously, thus the seal durability causing submersible pump shortens greatly, also sleeping time serious causes motor to intake, cause motor damages, the accidents such as the paralysis of whole power supply system or initiation fire are even caused to occur, and presently used submersible pump is for this problem, Main is played by increase Sealing quantity and Sealing volume etc. to delay to corrode or corrosive action, improve submersible pump and motor working life, but the effect of this way still effectively cannot meet the needs of use safety, simultaneously due to Sealing increasing number, volume increases and also result in the submersible pump not smooth and effective Yang Cheng of heat radiation and all less drawback of flow, the needs of actual use cannot be met.
Model utility content
For the deficiency that prior art exists, the utility model provides a kind of high pressure tightness explosion-proof type submersible pump, this novel possessing traditional submersible pump sealing basis on, another by utilizing external high pressure gas pressure, effectively will carry out dynamic isolation between submersible pump drive motor and water body and seal, avoid the erosion that the foreign material in water body and water body cause motor on the one hand, also enhance the radiating effect of motor on the other hand, thus achieve the object improving motor running stability and extend motor working life, simultaneously also for external detection equipment set up by motor and automation control appliance improves good mountion plate, thus raising submersible pump operation monitoring and Automatic Control have established hardware foundation.
To achieve these goals, the utility model realizes by the following technical solutions:
A kind of high pressure tightness explosion-proof type submersible pump, it is characterized in that: described high pressure tightness explosion-proof type submersible pump comprises permissible motor, the pump housing and connecting body, described anti-explosion electric engine housing is connected with the pump housing by connecting body, the rotating shaft of described permissible motor is connected with the paddle drive shaft in the pump housing, described anti-explosion electric engine housing is separately provided with airtight chamber outward, and described airtight chamber and permissible motor coaxially distribute; Described airtight chamber comprises chamber wall, front cover and tail end cover, and described front cover and tail end cover are connected with chamber wall and form airtight cavity, wherein front cover and tail end cover and chamber wall surface of contact establishes at least one circle seal ring, described front cover separately establishes supporting shaft hole; Establish at least two stuffing box bearings in described supporting shaft hole, and be connected with permissible motor rotating shaft by stuffing box bearing; Separately isolated by elastic packing block between described stuffing box bearing, end cover is separately established in described supporting shaft hole two ends, another uniform at least 3 elastic packing blocks in described supporting shaft hole, described tail end cover separately establishes suction port, relief opening and pressure relief opening, and suction port, relief opening and pressure relief opening all at least one, wherein pressure relief opening place separately establishes unidirectional Decompression valves; Described suction port and air outlet are provided with airduct, and are connected with external high pressure source of the gas by airduct; Described permissible motor is separately connected with airtight cavity wall by support plate; Described support plate at least 3, and be distributed on permissible motor outer surface.Further, the chamber wall in described airtight chamber and tail end cover are integral type structure, and supporting shaft hole and front cover are integral type structure.
Further, described airtight chamber chamber wall internal surface and outer surface all establish Heat sink.
Further, separately resilient pad is established between described support plate and permissible motor junction surface.
Originally novel possessing on traditional submersible pump sealing basis, another by utilizing external high pressure gas pressure, effectively will carry out dynamic isolation between submersible pump drive motor and water body and seal, avoid the erosion that the foreign material in water body and water body cause motor on the one hand, also enhance the radiating effect of motor on the other hand, thus achieve the object improving motor running stability and extend motor working life, simultaneously also for external detection equipment set up by motor and automation control appliance improves good mountion plate, thus raising submersible pump operation monitoring and Automatic Control have established hardware foundation.
Accompanying drawing explanation
The utility model is described in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is this new structure schematic diagram.
Embodiment
The technological means realized for making the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with embodiment, setting forth the utility model further.
A kind of high pressure tightness explosion-proof type submersible pump as described in Figure 1, comprise permissible motor 1, the pump housing 2 and connecting body 3, permissible motor 1 housing 4 is connected with the pump housing 2 by connecting body 3, the rotating shaft 5 of permissible motor 1 is connected with the paddle drive shaft 6 in the pump housing 2, permissible motor 1 housing 4 is outer separately establishes airtight chamber 7, and coaxially distribute with permissible motor 1, airtight chamber 7 comprises chamber wall 8, front cover 9 and tail end cover 10, front cover 9 and tail end cover 10 are connected with chamber wall 8 and form airtight cavity, wherein front cover 9 and tail end cover 10 and chamber wall 7 surface of contact establish at least one circle seal ring 11, front cover 9 separately establishes supporting shaft hole 12, at least two stuffing box bearings 13 are established in supporting shaft hole 12, and be connected with permissible motor 1 rotating shaft by stuffing box bearing 13, separately isolated by elastic packing block 14 between stuffing box bearing 13, end cover 15 is separately established at two ends to supporting shaft hole 12, another uniform at least 3 elastic packing blocks 14 in supporting shaft hole 12, tail end cover 10 separately establishes suction port 16, relief opening 17 and pressure relief opening 18, and suction port 16, relief opening 17 and pressure relief opening 18 equal at least one, wherein pressure relief opening 18 place separately establishes unidirectional Decompression valves 19, airduct 20 is separately established in suction port 16 and air outlet 17, and be connected with external high pressure source of the gas 21 by airduct 20, permissible motor 1 is separately connected with airtight chamber 7 inwall by support plate 22, support plate 22 at least 3, and be distributed on permissible motor 1 outer surface.
In the present embodiment, described airtight chamber 7 chamber wall internal surface and outer surface all establish Heat sink 23, separately establish cushion 24 between support plate 22 and permissible motor 1 junction surface.
In the present embodiment, chamber wall 8 and the tail end cover 10 in described airtight chamber 7 are integral type structure, and supporting shaft hole 12 and front cover 9 are integral type structure.
This is operationally novel, to carry out between motor and water body except seal isolation except utilizing traditional water-tight equipment, separately in the outside airtight chamber of motor, and be filled with pressurized gas at airtight cavity circulation, thus thoroughly motor and water body are thoroughly isolated, and while isolation, utilize pressurized gas ringing to be taken away by the heat produced during motor running, thus further increase the heat dispersion of motor.
Originally novel possessing on traditional submersible pump sealing basis, another by utilizing external high pressure gas pressure, effectively will carry out dynamic isolation between submersible pump drive motor and water body and seal, avoid the erosion that the foreign material in water body and water body cause motor on the one hand, also enhance the radiating effect of motor on the other hand, thus achieve the object improving motor running stability and extend motor working life, simultaneously also for external detection equipment set up by motor and automation control appliance improves good mountion plate, thus raising submersible pump operation monitoring and Automatic Control have established hardware foundation.
More than show and describe basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. a high pressure tightness explosion-proof type submersible pump, it is characterized in that: described high pressure tightness explosion-proof type submersible pump comprises permissible motor, the pump housing and connecting body, described anti-explosion electric engine housing is connected with the pump housing by connecting body, the rotating shaft of described permissible motor is connected with the paddle drive shaft in the pump housing, described anti-explosion electric engine housing is separately provided with airtight chamber outward, and described airtight chamber and permissible motor coaxially distribute; Described airtight chamber comprises chamber wall, front cover and tail end cover, and described front cover and tail end cover are connected with chamber wall and form airtight cavity, wherein front cover and tail end cover and chamber wall surface of contact establishes at least one circle seal ring, described front cover separately establishes supporting shaft hole; Establish at least two stuffing box bearings in described supporting shaft hole, and be connected with permissible motor rotating shaft by stuffing box bearing; Separately isolated by elastic packing block between described stuffing box bearing, end cover is separately established in described supporting shaft hole two ends, another uniform at least 3 elastic packing blocks in described supporting shaft hole, described tail end cover separately establishes suction port, relief opening and pressure relief opening, and suction port, relief opening and pressure relief opening all at least one, wherein pressure relief opening place separately establishes unidirectional Decompression valves; Described suction port and air outlet are provided with airduct, and are connected with external high pressure source of the gas by airduct; Described permissible motor is separately connected with airtight cavity wall by support plate; Described support plate at least 3, and be distributed on permissible motor outer surface.
2. a kind of high pressure tightness explosion-proof type submersible pump according to claim 1, it is characterized in that, the chamber wall in described airtight chamber and tail end cover are integral type structure, and supporting shaft hole and front cover are integral type structure.
3. a kind of high pressure tightness explosion-proof type submersible pump according to claim 1, it is characterized in that, described airtight chamber chamber wall internal surface and outer surface all establish Heat sink.
4. a kind of high pressure tightness explosion-proof type submersible pump according to claim 1, is characterized in that, separately establish resilient pad between described support plate and permissible motor junction surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420738654.XU CN204357722U (en) | 2014-11-28 | 2014-11-28 | A kind of high pressure tightness explosion-proof type submersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420738654.XU CN204357722U (en) | 2014-11-28 | 2014-11-28 | A kind of high pressure tightness explosion-proof type submersible pump |
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| Publication Number | Publication Date |
|---|---|
| CN204357722U true CN204357722U (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420738654.XU Active CN204357722U (en) | 2014-11-28 | 2014-11-28 | A kind of high pressure tightness explosion-proof type submersible pump |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134616A (en) * | 2015-07-22 | 2015-12-09 | 上海要要玖消防科技有限公司 | Air pressure protection type immersible pump |
| CN110118184A (en) * | 2019-06-19 | 2019-08-13 | 徐州亚泰电机有限公司 | A kind of drying type electric submersible pump with collaboration sealing system |
-
2014
- 2014-11-28 CN CN201420738654.XU patent/CN204357722U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134616A (en) * | 2015-07-22 | 2015-12-09 | 上海要要玖消防科技有限公司 | Air pressure protection type immersible pump |
| CN110118184A (en) * | 2019-06-19 | 2019-08-13 | 徐州亚泰电机有限公司 | A kind of drying type electric submersible pump with collaboration sealing system |
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