CN208416965U - A kind of centrifugal multistage pump multiple centrifugal pump - Google Patents
A kind of centrifugal multistage pump multiple centrifugal pump Download PDFInfo
- Publication number
- CN208416965U CN208416965U CN201821128246.7U CN201821128246U CN208416965U CN 208416965 U CN208416965 U CN 208416965U CN 201821128246 U CN201821128246 U CN 201821128246U CN 208416965 U CN208416965 U CN 208416965U
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- Prior art keywords
- pump
- motor
- centrifugal
- end cap
- shaft
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Abstract
The utility model discloses a kind of centrifugal multistage pump multiple centrifugal pumps, including pump case, end cap, water inlet, water outlet, fastening bolt, motor, centrifugal pump, bolt block, it is centrifuged pump sprocket, motor sprocket, motor shaft, pump shaft and tapered roller bearing, motor bin is equipped at the pump case center, centrifugal pump storehouse there are five being uniformly distributed around motor bin, the side wall of pump case is set there are five water inlet and five water outlets, corresponding five centrifugal pumps, the underrun fastening bolt of pump case is fixedly connected with end cap with bolt block, the bolt block is fixedly connected on the side wall of pump case and end cap, and it corresponds, the water outlet connects total outlet pipe by curved in succession, the motor is vertical machine, the bottom of motor is equipped with sealing plate, sealing plate is fixedly connected on motor bin bottom, sealing bearing is equipped at sealing plate center, motor shaft passes through the sealing bearing on sealing plate , protrude into end cap, motor shaft top key chain is connected to motor sprocket.
Description
Technical field
The utility model relates to a kind of water pump, specifically a kind of centrifugal multistage pump multiple centrifugal pump.
Background technique
At present in pump industry, to realize that high lift, common hydraulic are usually centrifugal multistage pump multiple centrifugal pump, but it is existing
Centrifugal multistage pump multiple centrifugal pump generallys use single suction water inlet, is easy to produce cavitation in the case where big flow, is difficult to realize big flow；Often
The centrifugal multistage pump multiple centrifugal pump of rule is generally balanced its axial force by balancing frame, bearing itself does not undertake axial force, due to pumping at work
Microcosmic variation occurs for operating condition, and balancing frame and balance ring is made ceaselessly to contact, wear, and causes equipment fluctuation of service, even
Injure the safety of whole equipment；In addition, some leaked water understands some volumetric loss due to wanting balancing axial thrust,
Efficiency can decrease, furthermore, conventional centrifugal multistage pump multiple centrifugal pump is mono-hull, once breaking down can not make before maintenance is good
With.
Utility model content
The purpose of this utility model is to provide a kind of centrifugal multistage pump multiple centrifugal pumps, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides the following technical solutions:
A kind of centrifugal multistage pump multiple centrifugal pump, including pump case, end cap, water inlet, water outlet, fastening bolt, motor, centrifugal pump, bolt
Seat is centrifuged pump sprocket, motor sprocket, motor shaft, pump shaft and tapered roller bearing, is equipped with motor bin at the pump case center, uses
In placing motor, it is uniformly distributed that there are five centrifugal pump storehouses around motor bin, for fixing centrifugal pump, there are five the side wall of pump case is set
Water inlet and five water outlets, corresponding five centrifugal pumps, the underrun fastening bolt of pump case are fixedly connected with end cap with bolt block,
The bolt block is fixedly connected on the side wall of pump case and end cap, and corresponds, and the water outlet is always gone out by curved connect in succession
Water pipe, the motor are vertical machine, and the bottom of motor is equipped with sealing plate, and sealing plate is fixedly connected at the top of motor bin, sealing
Sealing bearing is equipped at plate center, motor shaft is protruded into end cap by the sealing bearing on sealing plate, the link of motor shaft top key
There is motor sprocket, the motor sprocket is five row chain wheels, is connect respectively by chain with five centrifugation pump sprockets, the centrifugal pump
Steering sprocket key is linked on pump shaft, and the pump shaft is the line shaft of centrifugal pump, and the torque of motor is transmitted to leaf by centrifugation pump sprocket
Wheel, the lateral wall of the end cap and the lateral wall of pump case are identical, cavity are equipped at center, for transmitting between motor and centrifugal pump
Mechanical energy, end cap bottom are set there are five groove, and tapered roller bearing, the tapered roller bearing and pump are fixedly connected in groove
Axis is fixedly connected by interference fit, for balancing the axial force of pump shaft.
As a further solution of the present invention: installing sealing ring additional between the pump case and end cap, cover internal is prevented
Water inlet influences motor work.
As a further solution of the present invention: the water inlet installs filter screen additional, prevent according to demand excessive
Solid particle, which enters, damages the pump housing in centrifugal pump.
As a further solution of the present invention: the centrifugal pump is the big lift centrifugal multistage pump multiple centrifugal pump of small flow, by simultaneously
The mode of connection increases flow.
The pump shaft top is equipped with the shaft shoulder as a further solution of the present invention, for fixing taper roller axis
It holds, and tapered roller bearing is enabled directly to apply pressure to the axial of pump shaft.
Compared with prior art, the utility model has the beneficial effects that five identical centrifugal pumps are in parallel, it is evenly distributed on
The surrounding of motor while guaranteeing the flow and lift of centrifugal multistage pump multiple centrifugal pump, reduces occupied area, and when single centrifugal pump event
It when barrier, can not influence to work on, the centrifugal pump of the stability of the work of guarantee, damage can be directly replaced, convenient
It repairs, mechanical energy is transmitted by centrifugation pump sprocket and motor sprocket in bottom, so that axial force suffered by the motor shaft of motor
It offsets, increases the service life of motor, the sealed connection of pump case and end cap enables the pump housing of the multistage flow pump directly to dive under water
Work, the tapered roller bearing that end cap inner wall is fixedly connected can offset the axial force that pump shaft is subject to, prevent due to water outlet
Pressure is higher than axial float caused by water inlet, so that inner seal member is worn.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of centrifugal multistage pump multiple centrifugal pump.
Fig. 2 is the structural schematic diagram of pump case bottom in centrifugal multistage pump multiple centrifugal pump.
Fig. 3 is the structural schematic diagram of cover internal in centrifugal multistage pump multiple centrifugal pump.
In figure: pump case 1, end cap 2, water inlet 3, water outlet 4, fastening bolt 5, motor 6, centrifugal pump 7, bolt block 8, centrifugation
Pump sprocket 9, motor sprocket 10, motor shaft 11, pump shaft 12, tapered roller bearing 13.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1~3, in the utility model embodiment, a kind of centrifugal multistage pump multiple centrifugal pump, including pump case 1, end cap 2, water inlet
3, water outlet 4, fastening bolt 5, motor 6, centrifugal pump 7, bolt block 8, centrifugation pump sprocket 9, motor sprocket 10, motor shaft 11, pump
Axis 12 and tapered roller bearing 13 are equipped with motor bin at 1 center of pump case and uniformly divide around motor bin for placing motor 6
There are five centrifugal pump storehouses for cloth, and for fixing centrifugal pump 7, the side wall of pump case 1 is set there are five water inlet 3 and five water outlets 4, corresponding
Five centrifugal pumps 7, the underrun fastening bolt 5 of pump case 1 are fixedly connected with end cap 2 with bolt block 8, and the bolt block 8 is fixed to be connected
The side wall in pump case 1 and end cap 2 is connect, and is corresponded, the water outlet 4 connects total outlet pipe, the motor 6 by curved in succession
For vertical machine, the bottom of motor 6 is equipped with sealing plate, and sealing plate is fixedly connected at the top of motor bin, is equipped at sealing plate center
Bearing is sealed, motor shaft 11 is protruded into end cap by the sealing bearing on sealing plate, and 11 top key chain of motor shaft is connected to motor train
Wheel 10, the motor sprocket 10 are five row chain wheels, are connect respectively by chain with five centrifugation pump sprockets 9, the centrifugal pump chain
It takes turns 9 keys to be linked on pump shaft 12, the pump shaft 12 is the line shaft of centrifugal pump 7, by being centrifuged pump sprocket 9 for the torque of motor 6
It is transmitted to impeller, the lateral wall of the end cap 2 is identical as the lateral wall of pump case 1, cavity is equipped at center, for motor 6 and centrifugation
Mechanical energy is transmitted between pump 7, and end cap bottom is set there are five groove, is fixedly connected with tapered roller bearing 13, the circle in groove
Taper roller bearing 13 is fixedly connected with pump shaft 12 by interference fit, for balancing the axial force of pump shaft 12.
Preferably, sealing ring is installed additional between the pump case 1 and end cap 2, prevent 2 inner inlet of end cap, influence 6 work of motor
Make.
Preferably, it installs filter screen at the water inlet 3 additional, prevents excessive solid particle from entering in centrifugal pump according to demand
Damage the pump housing.
Preferably, the centrifugal pump 7 is the big lift centrifugal multistage pump multiple centrifugal pump of small flow, increases flow by way of in parallel.
Preferably, 12 top of pump shaft is equipped with the shaft shoulder, for fixing tapered roller bearing 13, and makes taper roller axis
Holding 13 directly can apply pressure to the axial of pump shaft 12.
The working principle of the utility model is: five identical centrifugal pumps 7 are in parallel, it is evenly distributed on the surrounding of motor 5, is protected
While demonstrate,proving the flow and lift of centrifugal multistage pump multiple centrifugal pump, occupied area is reduced, and when single 7 failure of centrifugal pump, it can not
Influence works on, the stability of the work of guarantee, and the centrifugal pump 7 of damage can be directly replaced, and facilitates maintenance, and bottom is logical
It crosses centrifugation pump sprocket 9 and motor sprocket 10 transmits mechanical energy, so that axial force suffered by the motor shaft 11 of motor 6 is offset, increase
Adding the service life of motor 6, the sealed connection of pump case 1 and end cap 2 enables the pump housing of the multistage flow pump directly to dive under water work,
The tapered roller bearing 13 that 2 inner wall of end cap is fixedly connected can offset the axial force that pump shaft 12 is subject to, and prevent due at water outlet 4
Pressure is higher than axial float caused by water inlet 3, so that inner seal member is worn.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (5)
1. a kind of centrifugal multistage pump multiple centrifugal pump, including pump case, end cap, water inlet, water outlet, fastening bolt, motor, centrifugal pump, bolt block,
It is centrifuged pump sprocket, motor sprocket, motor shaft, pump shaft and tapered roller bearing, which is characterized in that electricity is equipped at the pump case center
Cabin is uniformly distributed around motor bin there are five centrifugal pump storehouse, and the side wall of pump case sets that there are five water inlet and five water outlets, right
Five centrifugal pumps are answered, the underrun fastening bolt of pump case is fixedly connected with end cap with bolt block, and the bolt block is fixedly connected on
The side wall of pump case and end cap, and correspond, the water outlet connects total outlet pipe by curved in succession, and the motor is vertical electricity
Machine, the bottom of motor are equipped with sealing plate, and sealing plate is fixedly connected on motor bin bottom, sealing bearing is equipped at sealing plate center,
Motor shaft is protruded into end cap by the sealing bearing on sealing plate, and motor shaft top key chain is connected to motor sprocket, the motor train
Wheel is five row chain wheels, is connect respectively by chain with five centrifugation pump sprockets, the centrifugal pump steering sprocket key is linked on pump shaft, institute
State the line shaft that pump shaft is centrifugal pump, the torque of motor be transmitted to by impeller by centrifugation pump sprocket, the lateral wall of the end cap with
The lateral wall of pump case is identical, and cavity is equipped at center, and end cap bottom is set there are five groove, is fixedly connected with taper roller in groove
Bearing, the tapered roller bearing are fixedly connected with pump shaft by interference fit.
2. centrifugal multistage pump multiple centrifugal pump according to claim 1, which is characterized in that install sealing ring additional between the pump case and end cap.
3. centrifugal multistage pump multiple centrifugal pump according to claim 1, which is characterized in that the water inlet installs filter screen additional.
4. centrifugal multistage pump multiple centrifugal pump according to claim 1, which is characterized in that the centrifugal pump be the big lift multistage of small flow from
Heart pump.
5. centrifugal multistage pump multiple centrifugal pump according to claim 1, which is characterized in that the pump shaft top is equipped with the shaft shoulder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821128246.7U CN208416965U (en) | 2018-07-17 | 2018-07-17 | A kind of centrifugal multistage pump multiple centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821128246.7U CN208416965U (en) | 2018-07-17 | 2018-07-17 | A kind of centrifugal multistage pump multiple centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208416965U true CN208416965U (en) | 2019-01-22 |
Family
ID=65122505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821128246.7U Expired - Fee Related CN208416965U (en) | 2018-07-17 | 2018-07-17 | A kind of centrifugal multistage pump multiple centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208416965U (en) |
-
2018
- 2018-07-17 CN CN201821128246.7U patent/CN208416965U/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 |
Granted publication date: 20190122 Termination date: 20190717 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |