CN207278534U - Ship sea water pump - Google Patents
Ship sea water pump Download PDFInfo
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- CN207278534U CN207278534U CN201721224568.7U CN201721224568U CN207278534U CN 207278534 U CN207278534 U CN 207278534U CN 201721224568 U CN201721224568 U CN 201721224568U CN 207278534 U CN207278534 U CN 207278534U
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- Prior art keywords
- pump
- pump housing
- motor
- sea water
- motor shaft
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Abstract
The utility model provides a kind of ship sea water pump, it includes：Motor, pump cover, the pump housing and the impeller being placed in the pump housing, the motor is fixedly linked with the pump housing, pump cover is fixedly linked with the pump housing, and the motor shaft of motor is stretched into the pump housing by pump cover and is fixedly linked with impeller, the guide bearing for supporting the motor shaft to rotate is equipped with pump cover, the pump housing side opposite with motor is equipped with water inlet, water outlet is additionally provided with the pump housing, and the center line of water outlet and motor shaft axis are perpendicular.The utility model uses and the motor shaft of motor is directly fixedly linked with impeller, and the support rotating guide bearing of motor shaft is set in pump cover, pump is into coaxial with design of electrical motor, ensures pump group concentricity, pump group axial height is reduced, and reduces the pump group caused by pump group potential energy is excessive and vibrates.
Description
Technical field
Water pump technology is the utility model is related to, more particularly to a kind of ship sea water pump.
Background technology
Sea water pump main function is to send seawater to each equipment to naval vessels, ensures each equipment normal work.Ship sea
The design pressure of water pump is high, and medium is big containing particle, and system pressure constantly changes, especially vibration and noise reducing, is even more what user pursued
Highest goal.
Chinese patent 201611251732.3 discloses a kind of sea water pump, including the pump housing, be connected to pump housing side supporting rack,
The impeller axle being transversely mounted on by bearing in the supporting rack, the impeller being located in the pump housing, the impeller axle are inserted into the pump housing
It is fixed together after interior with impeller；Water inlet is equipped with the opposite side of the pump housing, water outlet is equipped with above the pump housing
Mouthful, the impeller is made of the blade and blade seat that these blade one end are connected of multiple screw types, the blade
Inner end is just corresponding with the bore of the water inlet；The blade is helically raised from outer end toward inner end in height.The seawater
Pump employs machine, pump Split type structure, i.e., is coupled impeller axle and motor by shaft coupling.The disadvantage of the structure is
The axial dimension of pump group is added, that is, occupy ship uses space, and brings great difficulty to in-site installation；In addition,
This kind of structure needs the centering of manual adjustment pump and motor, the complicated crowded space environment in scene, it is difficult to ensure that the centering of pump group
Property, vibration noise is very big when causing the pump group to run.
Therefore, it is necessary to the ship sea water pump that a kind of noise is low, size is small.
Utility model content
In view of the foregoing deficiencies of prior art, the purpose of this utility model is to provide a kind of ship sea water pump, use
In solving the problems, such as that ship sea water pump size is big in the prior art, noise is big.
In order to achieve the above objects and other related objects, the utility model provides a kind of ship sea water pump, it includes：Electricity
Machine, pump cover, the pump housing and the impeller being placed in the pump housing, the motor are fixedly linked with the pump housing, and pump cover is fixedly linked with the pump housing, and
The motor shaft of motor is stretched into the pump housing by pump cover to be fixedly linked with impeller, and the guide shaft for supporting the motor shaft to rotate is equipped with pump cover
Hold, the pump housing side opposite with motor is equipped with water inlet, and water outlet, and the center line and motor shaft of water outlet are additionally provided with the pump housing
Axis perpendicular.
Preferably, face seal components are equipped between the pump cover and motor shaft.
Preferably, there is inclined hole on the pump cover, one end of inclined hole by the gap between pump cover and the pump housing with it is described
The inner cavity of the pump housing is connected, and the other end of inclined hole is communicated with the annular seal space where the face seal components.
Preferably, there is the guiding device parallel with motor shaft axis on the inner wall of the water inlet.
Preferably, the deflector is integrally cast with the pump housing.
Preferably, axial gasket and radial seal are equipped between the pump cover and the pump housing.
Preferably, the guide bearing is made of carbon fiber composite engineering material.
Preferably, the circumferential surface of the motor shaft is equipped with the deep gouge to test the speed.
Preferably, the pump housing is equipped with connecting flange in the end of the end of the water inlet and the water outlet, and
Reinforcing rib is provided between connecting flange and the pump housing.
Preferably, the mounting seat being connected with the pump housing is further included, the mounting seat is equipped with supporting rib.
Preferably, the bottom of the motor shaft is provided with the nut of the fixed impeller, and is equipped between nut and impeller
Sealing device.
As described above, the ship sea water pump of the utility model, has the advantages that：Using by the motor shaft of motor with
Impeller is directly fixedly linked, and the support rotating guide bearing of motor shaft is set in pump cover, and pump is into coaxial with design of electrical motor, ensures
Pump group concentricity, reduces pump group axial height, and reduces the pump group caused by pump group potential energy is excessive and vibrate, and plays noise reduction
Effect.
Brief description of the drawings
Fig. 1 is shown as the ship sea water pump schematic diagram of the utility model.
Fig. 2 is shown as the irrigation channel schematic diagram of the face seal components.
Fig. 3 is shown as the concrete structure diagram of the end cap.
Fig. 4 is shown as the stereogram of the ship sea water pump of the utility model.
Fig. 5 is shown as the concrete structure diagram of the mounting seat.
Component label instructions
1 motor
101 deep gouges
2 supporting racks
21 horizontal holes of testing the speed
3 face seal components
4 radial seals
5 axial gaskets
6 pump covers
7 guide bearings
8 impellers
9 impeller nuts
10 seals
11 pump housings
12 guiding devices
13 reinforcing ribs
14 sealing rings
15 mounting seats
16 supporting ribs
17 connecting flanges
Embodiment
Illustrate the embodiment of the utility model by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the utility model easily.
Please refer to Fig.1 to Fig. 2.It should be clear that structure depicted in this specification institute attached drawing, ratio, size etc., only to
Coordinate the revealed content of specification, so that those skilled in the art understands and reads, be not limited to the utility model
Enforceable qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or size
Adjustment, in the case where not influencing the effect of the utility model can be generated and the purpose that can reach, should all still fall in the utility model
In the range of revealed technology contents can be covered.Meanwhile in this specification it is cited as " on ", " under ", " left side ",
The term on " right side ", " centre " and " one " etc., is merely convenient to understanding for narration, and it is enforceable to be not used to restriction the utility model
Scope, its relativeness are altered or modified, enforceable when being also considered as the utility model in the case where changing technology contents without essence
Category.
As shown in Figure 1, the utility model provides a kind of ship sea water pump, it includes：Motor 1, pump cover 6, the pump housing 11 and
The impeller 8 being placed in the pump housing 11, the motor 1 are fixedly linked with the pump housing 11, and pump cover 6 is fixedly linked with the pump housing 11, and motor 1
Motor shaft is stretched into the pump housing 11 by pump cover 6 and is fixedly linked with impeller 8, and the guide shaft for supporting the motor shaft to rotate is equipped with pump cover 6
Hold 7, the side opposite with motor 1 of the pump housing 11 is equipped with water inlet, is additionally provided with water outlet on the pump housing 11, and the center line of water outlet with
Motor shaft axis is perpendicular.The utility model uses and the motor shaft of motor 1 and impeller 8 is directly fixedly linked, and in pump cover 6
The support rotating guide bearing 7 of motor shaft is set, and impeller 8 and motor 1 are designed to coaxial, guarantee pump group concentricity, reduction pump group axis
To height, and reduce the pump group caused by pump group potential energy is excessive and vibrate.
Above-mentioned motor 1 is fixedly linked by supporting rack 2 and the pump housing 11 in the present embodiment.To improve the sealing at motor shaft
Property, the present embodiment is equipped with face seal components 3 between pump cover 6 and motor shaft, and the face seal components in the present embodiment use
Major-minor two-stage seals, and the stationary ring in face seal components 3 is fixedly linked with the pump cover, and the rotating ring in face seal components is fixed
On the axle sleeve of motor shaft is set in.Face seal components are rinsed to realize, as shown in Fig. 2 and Fig. 3, in the present embodiment
There is inclined hole 61 on pump cover 6, one end of inclined hole 61 passes through the gap 62 between pump cover 6 and the pump housing 11 and the pump housing 11
Inner cavity is connected, and the other end of inclined hole 61 is communicated with the annular seal space where the face seal components 3, realizes flushing liquor from pump chamber
Higher-pressure region enters face seal components 3 by inclined hole, while is seawater in view of flushing liquor, with the presence of particulate matter, above-mentioned gap
For the annular gap of≤1m, prevent larger particle from entering inclined hole, and then reduce the mill to the pair that rubs in face seal components 3
Damage.In addition, the present embodiment realizes directly by the use of the seawater in the pump housing as flushing liquor and pumps the interior flushing of itself, it is cancelled
Exterior flushing line is connected with outside the pump housing, reduces pump group parts species, avoids the risk of pipeline leakage, greatly improve
The reliability of pump group.
The present embodiment has a guiding device 12 parallel with motor shaft axis on the inner wall of water inlet, in the present embodiment
Intake tunnel is straight-tapered passage, and guiding device 12 is arranged in straight-tapered passage and, straight-tapered passage parallel with water inlet direction
It is for reducing the generation of vortex with guiding device 12, so as to improve the stability of fluid, reduces flow noise；Experiment
Prove, deflector 12 can also effectively improve pump and shut a lift, prevent performance curve from hump phenomenon occur.Made for the ease of production
Make, and play preferably noise reduction, guiding device can be plate-like piece in the present embodiment, guiding device 12 and the one casting of the pump housing 11
Make and form.To improve leakproofness, axial gasket 5 and radial seal are equipped between pump cover 6 and the pump housing 11 in the present embodiment
4.The present embodiment employs dual static sealing structure, i.e., above-mentioned axial gasket 5 plays axial seal, and radial seal 4 plays
Radial seal, wherein axial gasket 5 use the gasket of seawater corrosion resistance, and radial seal 4 uses O-ring.In sea water pump
In During Process of Long-term Operation, if axial gasket 5 fails, or when screw-down torque is inadequate, axial seal has risk of leakage, this
When radial seal 4 can ensure that pump group being capable of normal operation.
To ensure that stablizing for motor shaft rotates, guide bearing 7 is water lubricating pilot bearings in the present embodiment, bears pump group and operated
The radial load produced in journey, it uses carbon fiber composite engineering material to be made, and has fabulous wearability, can also effectively alleviate pump
The vibration of group.
For ease of detecting the rotary speed of motor shaft, the real-time detection to ship sea water pump is realized, the present embodiment is in motor
The circumferential surface of axis is equipped with deep gouge 101, and as shown in Figure 1, the present embodiment on above-mentioned supporting rack 2 by setting and deep gouge 101
Put corresponding transverse direction to test the speed hole 21, by the setting of laterally test the speed hole 21 and deep gouge 101, outside the pump housing sensor can be set to lead to
Cross detection deep gouge 101 and realize detection to motor axle rotary speed, the testing the speed for motor that be arranged to of deep gouge 101 have found benchmark
Point.
Further to reduce the vibration of ship sea water pump when in use, reach more preferable noise reduction, in the present embodiment
The pump housing 11 is equipped with connecting flange 17 in the end of the end of the water inlet and the water outlet, as shown in Figure 4, and connection method
Reinforcing rib 13 is provided between orchid 17 and the pump housing 11, the rigidity of connecting flange 17 is improved by reinforcing rib 13, reduces connecting flange
17 vibration acceleration.Reinforcing rib 13, connecting flange 17 and the pump housing 11 are integrally cast in the present embodiment.
Preferably to install and use, reduction vibration is played, the effect of noise reduction, the present embodiment further includes and 11 phase of the pump housing
Mounting seat 15 even, as shown in Figure 5, the mounting seat 15 is equipped with supporting rib 16, and the present embodiment is in mounting seat 15
Supporting rib equally is provided with, the under-chassis vibration acceleration of pump group is reduced, plays Noise Reduction.
Preferably to fix impeller and motor shaft, the bottom of motor shaft is provided with the fixed impeller 8 in the present embodiment
Nut 9, and sealing device is equipped between nut 9 and impeller, the present embodiment sealing device is the sealing ring 14 in Fig. 1.This reality
Apply nut 9 in example and use locking design, ensure that nut will not be loosened when motor shaft inverts, in addition the endface of nut is provided with
Sealing ring 14, prevents medium from entering motor shaft surface from the end face, avoids corrosion of the seawater to motor shaft.
Impeller 8 is fixedly linked by nut 9 and the motor shaft of motor in the present embodiment, the outside diameter of impeller 8 and the pump housing
The outside diameter ratio between radial clearance value and impeller between 11 volute tongue is at least 6%.The pump housing, impeller pass through selection in production
The good hydraulic model of performance, is optimized using CFD flow field analysis softwares, it is ensured that impeller can meet design discharge, lift will
Ask；Efficient, high efficient district is wide；Anti-cavitation performance is good；Q-H curves (i.e. the correspondence of the flow Q and lift H of sea water pump) are without camel
Peak；Operate steadily, is with small vibration.It is equipped with to realize leakproofness, in the present embodiment in the water inlet phase joining place of impeller and the pump housing close
Sealing 10.
In conclusion the ship sea water pump of the utility model, is directly fixedly linked using by the motor shaft of motor with impeller,
And the support rotating guide bearing of motor shaft is set in pump cover, pump is into coaxial with design of electrical motor, ensures pump group concentricity, reduces pump
Group axial height, and reduce the pump group caused by pump group potential energy is excessive and vibrate.So the utility model effectively overcomes now
There is the various shortcoming in technology and have high industrial utilization.
The above embodiments are only illustrative of the principle and efficacy of the utility model, new not for this practicality is limited
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
God and all equivalent modifications completed under technological thought or change, should be covered by the claim of the utility model.
Claims (11)
- A kind of 1. ship sea water pump, it is characterised in that including：Motor, pump cover, the pump housing and the impeller being placed in the pump housing, it is described Motor is fixedly linked with the pump housing, and pump cover is fixedly linked with the pump housing, and the motor shaft of motor is stretched into the pump housing by pump cover and consolidated with impeller It is fixed to be connected, the guide bearing for supporting the motor shaft to rotate is equipped with pump cover, the pump housing side opposite with motor is equipped with water inlet, pumps Water outlet is additionally provided with body, and the center line of water outlet and motor shaft axis are perpendicular.
- 2. ship sea water pump according to claim 1, it is characterised in that：It is close that end face is equipped between the pump cover and motor shaft Sealing assembly.
- 3. ship sea water pump according to claim 2, it is characterised in that：There is inclined hole, one end of inclined hole on the pump cover It is connected by the gap between pump cover and the pump housing with the inner cavity of the pump housing, the other end of inclined hole and the end face seal group Annular seal space where part communicates.
- 4. ship sea water pump according to claim 1, it is characterised in that：Have on the inner wall of the water inlet and motor shaft The parallel guiding device of axis.
- 5. ship sea water pump according to claim 4, it is characterised in that：The deflector and the pump housing integrally casting and Into.
- 6. ship sea water pump according to claim 1, it is characterised in that：It is equipped between the pump cover and the pump housing axial close Packing and radial seal.
- 7. ship sea water pump according to claim 1, it is characterised in that：The guide bearing uses carbon fiber integration engineering material Material is made.
- 8. ship sea water pump according to claim 1, it is characterised in that：The circumferential surface of the motor shaft is equipped with the use that tests the speed Deep gouge.
- 9. ship sea water pump according to claim 1, it is characterised in that：The pump housing is in the end of the water inlet and institute The end for stating water outlet is equipped with connecting flange, and reinforcing rib is provided between connecting flange and the pump housing.
- 10. ship sea water pump according to claim 1, it is characterised in that：Further include the installation bottom being connected with the pump housing Seat, the mounting seat are equipped with supporting rib.
- 11. ship sea water pump according to claim 1, it is characterised in that：The bottom of the motor shaft is provided with fixed institute The nut of impeller is stated, and sealing device is equipped between nut and impeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721224568.7U CN207278534U (en) | 2017-09-22 | 2017-09-22 | Ship sea water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721224568.7U CN207278534U (en) | 2017-09-22 | 2017-09-22 | Ship sea water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207278534U true CN207278534U (en) | 2018-04-27 |
Family
ID=61981638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721224568.7U Active CN207278534U (en) | 2017-09-22 | 2017-09-22 | Ship sea water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207278534U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575395A (en) * | 2017-09-22 | 2018-01-12 | 上海阿波罗智能装备科技有限公司 | Ship sea water pump |
-
2017
- 2017-09-22 CN CN201721224568.7U patent/CN207278534U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575395A (en) * | 2017-09-22 | 2018-01-12 | 上海阿波罗智能装备科技有限公司 | Ship sea water pump |
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