CN209687724U - The non-maintaining compact single-stage horizontal centrifugal pump of environmental protection - Google Patents
The non-maintaining compact single-stage horizontal centrifugal pump of environmental protection Download PDFInfo
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- CN209687724U CN209687724U CN201822059331.9U CN201822059331U CN209687724U CN 209687724 U CN209687724 U CN 209687724U CN 201822059331 U CN201822059331 U CN 201822059331U CN 209687724 U CN209687724 U CN 209687724U
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- lubricating
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Abstract
The utility model discloses the non-maintaining compact single-stage horizontal centrifugal pump of environmental protection, including the pump housing, it further include impeller, pump cover, maintenance self-lubricating bearing, intermediate seal section, axle sleeve, self-lubricating radial-axial bearing, mechanical seal, machine sealed cover, limit screw A, limit screw B, limit screw C, cooling water inlet connector, sealing ring A, sealing ring B, cooling water connecting pipe for water, cooling water control valve, pump shaft, cooling water flow indicator, bolt, impeller nut cap, bracket and stabilizer blade etc., the utility model structure is simple, it is easy to use, it runs smoothly, environmental protection, low noise, it is non-maintaining, use scope is wide, it is difficult in maintenance to solve centrifugal pump, dry grinding phenomenon, the pump shaft of shortening can make pump housing reliability higher, the structure type of the maintenance self-lubricating bearing of axial thrust is increased on the basis of traditional centrifugal pump of horizontal axis, it is prominent Humanized design ensure that the safe and reliable operation of the utility model, substantially increase service life, meet the requirement of people.
Description
Technical field
The utility model relates to be centrifuged pump technical field, more particularly to the non-maintaining compact single-stage horizontal centrifugal pump of environmental protection.
Background technique
Most single-stage horizontal centrifugal pump faults is derived from 2 rigid rolling bearings of suspension body because safeguarding oil starvation not in time
(grease) and cause the abrasion of bearing to cause the vibration and supercurrent phenomenon of water pump；Pump end bad seals cause drainage；Directly
Connecing, which influences centrifugal pump, works normally.Traditional horizontal single-stage centrifugal pump maintenance cost is high, needs Attended mode；Structure is complicated, once goes out
Failure needs specialized maintenance, is not able to satisfy the use of people.
Utility model content
The utility model is to solve disadvantage present in current background technique, and it is sleeping to provide the non-maintaining compact single-stage of environmental protection
Formula centrifugal pump, including the pump housing further include impeller, pump cover, maintenance self-lubricating bearing, intermediate seal section, axle sleeve, self-lubricating radial direction
Axial bearing, mechanical seal, machine sealed cover, limit screw A, limit screw B, limit screw C, cooling water inlet connector, sealing
Enclose A, sealing ring B, sealing ring C, cooling water connecting pipe for water, cooling water control valve, pump shaft, cooling water flow indicator, bolt, impeller
At nut cap, bracket, stabilizer blade and pump housing outlet, the top of the pump housing is equipped at pump housing outlet, and the impeller passes through impeller nut cap
It is anchored on one end of pump shaft, the impeller is placed in the pump housing and pump cover, and the axle sleeve is fixed on pump shaft by screw, described to exempt to tie up
Shield self-lubricating bearing by limit screw C be fixed on pump cover with axle sleeve formed gap, the machine sealed cover, mechanical seal and oneself
It lubricates radial-axial bearing and bracket is set to by limit screw A and limit screw B, the top of the pump housing is connected by cooling water
Pipe is connected to cooling water inlet connector, and the cooling water connecting pipe for water is equipped with cooling water control valve and cooling water flow indicator,
The upper and lower ends of the intermediate seal section are equipped with sealing ring C and sealing ring B, and the lower section of the pump housing is equipped with bracket, the bolt
One end pass through machine sealed cover and be connected to bracket, the side of the machine sealed cover is equipped with sealing ring A, and the lower section of the bracket is equipped with
Stabilizer blade.
The utility model is further described, the sealing ring A, sealing ring B and sealing ring C are " O " shape structure.
The utility model is further described, the lower end of the self-lubricating radial-axial bearing and the upper gap of axle sleeve
2 millimeters.
The utility model is further described, the lower end of the mechanical seal and the upper end of self-lubricating radial-axial bearing
2 millimeters of gap.
By adopting the above technical scheme, it has the following beneficial effects:
The utility model structure is simple, easy to use, runs smoothly, is reliable, is safe and environment-friendly, is low noise, non-maintaining, making
It is wide with range, mainly as industry and city water, draining, adapt to conveying clear water or corrosion-free type liquid, it can also be used to agriculture
Industry irrigation and drainage pipeline system boost, solves that centrifugal pump is difficult in maintenance, dry grinding phenomenon, and the pump shaft of shortening can make pump housing reliability more
Height increases the structure type of the maintenance self-lubricating bearing of axial thrust, original on the basis of traditional centrifugal pump of horizontal axis
The rolling bearing of rigid grease lubrication be changed to self-lubricating radial-axial bearing arrangement, prominent humanized design ensure that this
The safe and reliable operation of utility model, substantially increases service life, meets the requirement of people.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
In figure: the 1- pump housing；2- impeller；3- pump cover；4- maintenance self-lubricating bearing；5- intermediate seal section；6- axle sleeve；7- is certainly
Lubricate radial-axial bearing；8- mechanical seal；9- machine sealed cover；101- limit screw A；102- limit screw B；103- stop spiral shell
Follow closely C；11- cooling water inlet connector；121- sealing ring A；122- sealing ring B；123- sealing ring C；13- cooling water connecting pipe for water；14-
Cooling water control valve；15- pump shaft；16- cooling water flow indicator；17- bolt；18- impeller nut cap；19- bracket；20- stabilizer blade；
At 21- pump housing outlet.
Specific embodiment
The utility model is described further with reference to the accompanying drawing.
Embodiment 1: the non-maintaining compact single-stage horizontal centrifugal pump of environmental protection as shown in Figure 1, including the pump housing 1, further include leaf
Wheel 2, pump cover 3, maintenance self-lubricating bearing 4, intermediate seal section 5, axle sleeve 6, self-lubricating radial-axial bearing 7, mechanical seal 8,
Machine sealed cover 9, limit screw A101, limit screw B102, limit screw C103, cooling water inlet connector 11, sealing ring A121,
Sealing ring B122, cooling water connecting pipe for water 13, cooling water control valve 14, pump shaft 15, cooling water flow indicator 16, bolt 17, leaf
It takes turns 21 at nut cap 18, bracket 19, stabilizer blade 20 and pump housing outlet, the top of the pump housing 1 is equipped with 21 at pump housing outlet, the impeller
2 are anchored on one end of pump shaft 15 by impeller nut cap 18, and the impeller 2 is placed in the pump housing 1 and pump cover 3, and the axle sleeve 6 passes through spiral shell
Nail is fixed on pump shaft 15, and the maintenance self-lubricating bearing 4 is fixed on pump cover 3 by limit screw C103 to be formed with axle sleeve 6
Gap, the machine sealed cover 9, mechanical seal 8 and self-lubricating radial-axial bearing 7 pass through limit screw A101 and limit screw
B102 is set to bracket 19, and the top of the pump housing 1 is connected to cooling water inlet connector 11 by cooling water connecting pipe for water 13, described cold
But water connecting tube 11 is equipped with cooling water control valve 14 and cooling water flow indicator 16, and up and down the two of the intermediate seal section 5
End is equipped with sealing ring C123 and sealing ring B122, and the lower section of the pump housing 1 is equipped with bracket 19, and one end of the bolt 17 passes through machine
Sealed cover 9 is connected to bracket 19, and the side of the machine sealed cover 9 is equipped with sealing ring, and 121, the lower section of the bracket 19 is equipped with branch
Foot 20, the sealing ring A121, sealing ring B122 and sealing ring C123 are " O " shape structure, the self-lubricating radial-axial bearing 7
Lower end and 2 millimeters of upper gap of axle sleeve 6, prevent from altering under pump shaft 15, the lower end of the mechanical seal 8 and self-lubricating radial axle
To 2 millimeters of upper gap of bearing 7, prevent pump shaft 15 in operation on alter, cooling water control valve 14 and cooling water flow indicate
Device 16 need to the pump housing operation in effectively open, cooling water by 1 upper end of the pump housing by cooling water connecting pipe for water 13 be connected to cooling water into
Mouth connector 11 flows into, and mechanical seal 8, self-lubricating radial-axial bearing 7, maintenance self-lubricating bearing 4 are lubricated and are cooled down,
Pump is flowed out to being fixed on the gap formed on pump cover 3 with axle sleeve 6 by limit screw C103 by maintenance self-lubricating bearing 4
Body 1.
1 domestic demand of the pump housing is full of water, makes maintenance self-lubricating bearing 4, self-lubricating radial-axial the utility model before activation
Bearing 7, mechanical seal 8 are dipped in water, when the pump housing 1 just starts, moment flow it is larger, impeller 2 drives the play forward of pump shaft 15；From
2 millimeters of the upper gap of the lower end and axle sleeve 6 that lubricate radial-axial bearing 7 effectively limits the play forward of pump shaft 15；The pump housing goes out
When mouthful place 21 is full of water and pressure rise, the drive pump shaft 15 of impeller 2 play backward；The lower end of mechanical seal 8 and self-lubricating are radial
2 millimeters of the upper gap of axial bearing 7 effectively limits the play backward of pump shaft 15；Ensure impeller 2 in the continuous change procedure of flow
In be no more than 2 millimeters of axial floats, reliable operation in the pump housing 1；
At pump housing outlet 21 when having pressure, cooling water from cooling water control valve 14, through cooling water flow indicator 16, cooling
Water connecting tube 13, cooling water inlet connector 11 enter in machine sealed cover 9, first carry out mechanical seal 8 from cooling, again to self-lubricating
The axially and radially self-lubricating and cooling of radial-axial bearing 7, after and axle sleeve 6 phase friction radial to maintenance self-lubricating bearing 4
The self-lubricating and cooling in face；Last cooling water enters in the pump housing 1.
The utility model structure is simple, easy to use, runs smoothly, is reliable, is safe and environment-friendly, is low noise, non-maintaining, making
It is wide with range, mainly as industry and city water, draining, adapt to conveying clear water or corrosion-free type liquid, it can also be used to agriculture
Industry irrigation and drainage pipeline system boost, solves that centrifugal pump is difficult in maintenance, dry grinding phenomenon, and the pump shaft 15 of shortening can make 1 reliability of the pump housing
It is higher, the structure type of the maintenance self-lubricating bearing 4 of axial thrust is increased on the basis of traditional centrifugal pump of horizontal axis, original
The rolling bearing for the rigid grease lubrication having is changed to 7 structure of self-lubricating radial-axial bearing, and prominent humanized design ensure that
The safe and reliable operation of the utility model, substantially increases service life, meets the requirement of people.
The foregoing describe the basic principles and main features of the utility model, It should be understood by those skilled in the art that this
Utility model is not restricted to the described embodiments, and the above embodiments and description only describe the originals of the utility model
Reason, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various changes and improvements, these changes
Change and improvement is fallen within the scope of the claimed invention, range is claimed by the attached claims in utility model
Book and its equivalent thereof.
Claims (4)
1. the non-maintaining compact single-stage horizontal centrifugal pump of environmental protection, including the pump housing, which is characterized in that further include impeller, pump cover, exempt to tie up
Protect self-lubricating bearing, intermediate seal section, axle sleeve, self-lubricating radial-axial bearing, mechanical seal, machine sealed cover, limit screw A,
Limit screw B, limit screw C, cooling water inlet connector, sealing ring A, sealing ring B, sealing ring C, cooling water connecting pipe for water, cooling
At water control valve, pump shaft, cooling water flow indicator, bolt, impeller nut cap, bracket, stabilizer blade and pump housing outlet, the pump housing
Top is equipped at pump housing outlet, and the impeller is anchored on one end of pump shaft by impeller nut cap, and the impeller is placed in the pump housing and pump
In lid, the axle sleeve is fixed on pump shaft by screw, and the maintenance self-lubricating bearing is fixed on pump cover by limit screw C
Gap is formed with axle sleeve, the machine sealed cover, mechanical seal and self-lubricating radial-axial bearing pass through limit screw A and stop spiral shell
It follows closely B and is set to bracket, the top of the pump housing is connected to cooling water inlet connector, the cooling water connection by cooling water connecting pipe for water
Pipe is equipped with cooling water control valve and cooling water flow indicator, the upper and lower ends of the intermediate seal section be equipped with sealing ring C with
Sealing ring B, the lower section of the pump housing are equipped with bracket, and one end of the bolt passes through machine sealed cover and is connected to bracket, the machine envelope
The side of gland is equipped with sealing ring A, and the lower section of the bracket is equipped with stabilizer blade.
2. the non-maintaining compact single-stage horizontal centrifugal pump of environmental protection according to claim 1, which is characterized in that the sealing ring
A, sealing ring B and sealing ring C is " O " shape structure.
3. the non-maintaining compact single-stage horizontal centrifugal pump of environmental protection according to claim 1, which is characterized in that the self-lubricating
2 millimeters of upper gap of the lower end of radial-axial bearing and axle sleeve.
4. the non-maintaining compact single-stage horizontal centrifugal pump of environmental protection according to claim 1, which is characterized in that the machinery is close
2 millimeters of upper gap of the lower end of envelope and self-lubricating radial-axial bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822059331.9U CN209687724U (en) | 2018-12-10 | 2018-12-10 | The non-maintaining compact single-stage horizontal centrifugal pump of environmental protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822059331.9U CN209687724U (en) | 2018-12-10 | 2018-12-10 | The non-maintaining compact single-stage horizontal centrifugal pump of environmental protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209687724U true CN209687724U (en) | 2019-11-26 |
Family
ID=68595813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822059331.9U Active CN209687724U (en) | 2018-12-10 | 2018-12-10 | The non-maintaining compact single-stage horizontal centrifugal pump of environmental protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209687724U (en) |
-
2018
- 2018-12-10 CN CN201822059331.9U patent/CN209687724U/en active Active
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