CN209494726U - Axial force self-balanced type submersible mixed-flow pump - Google Patents
Axial force self-balanced type submersible mixed-flow pump Download PDFInfo
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- CN209494726U CN209494726U CN201821960261.8U CN201821960261U CN209494726U CN 209494726 U CN209494726 U CN 209494726U CN 201821960261 U CN201821960261 U CN 201821960261U CN 209494726 U CN209494726 U CN 209494726U
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- inlet pipe
- impeller base
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Abstract
The utility model belongs to municipal administration, irrigation and water conservancy field, it is intended to provide a kind of axial force self-balanced type submersible mixed-flow pump, its key points of the technical solution are that including water pump body, water pump body includes water inlet pipe mouth and effluent pipe mouth, motor casing is equipped in the water inlet pipe mouth, motor is equipped in motor casing, and the arbor of motor is arranged along the axial direction of water inlet pipe mouth, arbor is located at outside motor casing backwards to one end of effluent pipe mouth, it which is provided with impeller base, impeller base is equipped with several impellers, there are two the water inlet pipe mouth is set, the motor casing, motor and impeller base are equipped with two groups, and two water inlet pipe mouths are symmetrical arranged, it is connected to effluent pipe mouth one end, two groups of motor casings, motor and impeller base are also symmetrical arranged；This axial force self-balanced type submersible mixed-flow pump has during convey water flow, and the pump housing can voluntarily reach balance, it is not necessary that thrust bearing part and auxiliary support structure is additionally arranged, thus save the cost, the advantages of simplified assembly process.
Description
Technical field
The utility model relates to municipal administration, irrigation and water conservancy field, in particular to a kind of axial force self-balanced type submersible mixed-flow pump.
Background technique
Axial-flow pump, mixed-flow pump utilize impeller rotation to work the thrust that water body generates, and belong to the water of big flow low lift
Pump.Its motor and water pump have been installed in production to be integrated, and there is no need to the motor of work consuming time-consuming, transmission are carried out in erecting bed
Mechanism, water pump axis centering assembly process, assembled in situ fast and easy is widely used.
Currently, notification number be CN207004852U Chinese patent disclose a kind of submersible axial flow pump, it include motor casing,
Pump shaft, water guide cone, impeller base, pump shaft are axially mounted in motor casing, and pump shaft end is connected with impeller base, motor casing and impeller base
Between be fixed with water guide cone, which is characterized in that the end of the water guide cone is provided with water fender, connects in the middle part of water fender with pump shaft
Touching, water fender lower end are provided with the mechanical sealing member with pump shaft cooperation, and one end of mechanical sealing member is socketed in impeller base one end
Outside.
Although this submersible axial flow pump sealing structure is simple, sealing effect is good, it is conducive to extend the use of submersible axial flow pump
Service life, but impeller base, during conveying water flow, water flow can also apply reaction force to it, and conduct to the pump housing, therefore past
Toward needing that thrust bearing part and auxiliary support structure are arranged outside the pump housing, the pump housing is made to keep balance.On the one hand cost is increased,
On the other hand workload when assembly is increased.
Utility model content
The utility model is to provide a kind of axial force self-balanced type submersible mixed-flow pump, has the process in conveying water flow
In, the pump housing can voluntarily reach balance, without additional, thrust bearing part and auxiliary support structure are set, thus save the cost,
The advantages of simplifying assembly process.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of axial force self-balanced type submersible mixed-flow pump, including water pump body, water pump body include water inlet pipe mouth and water outlet
Nozzle, the water inlet pipe mouth is interior to be equipped with motor casing, is equipped with motor in motor casing, and the arbor of motor is set along the axial direction of water inlet pipe mouth
It sets, arbor is located at outside motor casing backwards to one end of effluent pipe mouth, which is provided with impeller base, there are two the water inlet pipe mouth is set, institute
Motor casing, motor and impeller base are stated equipped with two groups, and two water inlet pipe mouths are symmetrical arranged, and are connected to effluent pipe mouth one end, two groups
Motor casing, motor and impeller base are also symmetrical arranged.
By using above-mentioned technical proposal, two water inlet pipe mouths are set, two motors drive two impeller base rotations respectively,
So that water is flowed into water inlet pipe mouth outside water pump body, in the process, water pump body by water flow reaction force there are two, and
On the direction vertical with effluent pipe mouth axis, the component of two reaction forces is equal in magnitude, contrary, cancels out each other.Defeated
During sending water flow, the pump housing can voluntarily reach balance, without additional setting auxiliary support structure, thus save the cost, letter
Change assembly process.
Further setting: the water inlet pipe mouth is arranged perpendicular to effluent pipe mouth.
By using above-mentioned technical proposal, water inlet pipe mouth is vertical with effluent pipe mouth, and two water inlet pipe mouths are symmetrical arranged, i.e.,
Two water inlet pipe mouths are located along the same line, and the suffered reaction force from water flow also is located on same straight line, can be complete
Complete to offset, there is no component along the axis direction of effluent pipe mouth.
Further setting: the water inlet pipe mouth is obliquely installed relative to effluent pipe mouth, and water inlet pipe mouth and effluent pipe mouth it
Between angle be greater than 90 °, less than 180 °.
By using above-mentioned technical proposal, water inlet pipe mouth is opposite to be obliquely installed with effluent pipe mouth, and angle between the two
Between 90 ° to 180 °, then water flow can take advantage of a situation out of water inlet pipe mouth and flow into effluent pipe mouth, and kinetic energy loss is less, to water pump
The pressure of inner body wall is smaller.
Further setting: the motor casing offers the through-hole for installing motor, through hole backwards to one end of impeller base
Equipped with package board, the end face of the package board and motor casing is bolted, and is offseted with motor backwards to one end of impeller base.
By using above-mentioned technical proposal, through-hole and package board be set, motor easy to disassemble while also can guarantee will be electric
Machine is better secured in motor casing, while enhancing the leakproofness of motor casing.
Further setting: the impeller base is equipped with axle sleeve towards motor one end, and impeller base is connected by axle sleeve with arbor,
The axle sleeve is coaxially set on arbor, and axle sleeve is equipped with locking pressing plate, the locking pressing plate and arbor bolt backwards to motor one end
It connects, and locking pressing plate is bonded with end face of shaft bush.
By using above-mentioned technical proposal, locking pressing plate is bonded with axle sleeve backwards to the end face of motor one end, while and arbor
Bolt, can prevent axle sleeve from slipping from arbor.
Further setting: the impeller base is equipped with fair water cone backwards to motor one end.
By using above-mentioned technical proposal, fair water cone, which is arranged, can reduce impact of the water flow to impeller base, preferably protect
Impeller base prolongs its service life, while also can be reduced the kinetic energy rejection of water flow, to reduce energy consumption.
Further setting: the water inlet pipe mouth is equipped with oviduct backwards to effluent pipe mouth one end.
By using above-mentioned technical proposal, oviduct, which is arranged, can preferably guide water flow to enter water inlet pipe mouth, improve defeated
Transport efficiency.
Further setting: several guide vanes are equipped on the outer wall of the motor casing, guide vane is parallel to the axis of water inlet pipe mouth
Setting, and guide vane is affixed backwards to motor casing a side and water inlet pipe mouth inner wall.
By using above-mentioned technical proposal, after water flow is driven by impeller base, more cross current is generated, after guide vane
Become axial flowing, rotational kinetic energy is also partially converted into translational kinetic energy, and flow velocity is accelerated.
In conclusion the utility model has the following beneficial effects:
1, during conveying water flow, the pump housing can voluntarily reach balance, without additional setting thrust bearing part and
Auxiliary support structure, so that save the cost, simplifies assembly process；
2, structure is simple, is easily installed, stable connection.
Detailed description of the invention
Fig. 1 is in embodiment 1 for embodying the structural schematic diagram of axial force self-balanced type submersible mixed-flow pump；
Fig. 2 is motor casing in embodiment 1, motor, connection relationship diagram between impeller base；
Fig. 3 is enlarged drawing at A in Fig. 2；
Fig. 4 is connection relationship diagram between water inlet pipe mouth, effluent pipe mouth in embodiment 2.
In figure, 1, water pump body；2, motor casing；3, motor；4, arbor；5, impeller base；11, water inlet pipe mouth；12, outlet pipe
Mouthful；13, oviduct；21, through-hole；22, package board；23, guide vane；51, axle sleeve；52, locking pressing plate；53, fair water cone.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment 1: a kind of axial force self-balanced type submersible mixed-flow pump, as shown in Figure 1, water pump body 1 is by two water inlet pipes
Mouth 11 and an effluent pipe mouth 12 form, and two water inlet pipe mouths 11 are connected to the same end of effluent pipe mouth 12, about effluent pipe mouth
12 axisymmetrical, and the axis of two water inlet pipe mouths 11 is located along the same line.Electricity is respectively equipped in two water inlet pipe mouths 11
Casing 2, motor casing 2 is interior to be equipped with motor 3, and the arbor 4 of motor 3 is arranged along the axial direction of water inlet pipe mouth 11, from motor casing 2 backwards to water outlet
One end of nozzle 12 is pierced by, and is connected to impeller base 5.Motor casing 2, motor 3, the impeller base 5 also axis pair about effluent pipe mouth 12
Claim.
As shown in Figure 1, two water inlet pipe mouths 11 are equipped with oviduct 13 backwards to one end of effluent pipe mouth 12, for guiding water
Stream enters in water inlet pipe mouth 11, improves transfer efficiency.
As shown in Fig. 2, motor casing 2 and the inner wall of water inlet pipe mouth 11 are affixed, one end backwards to impeller base 5 offers through-hole
21, it is additionally provided with annular package board 22 at through-hole 21, the end face of package board 22 and motor casing 2 bolts, and fits closely with it, simultaneously
Also it is bolted with motor 3 backwards to the end face of 5 one end of impeller base.When motor 3 is installed, it is put into motor casing 2 from through-hole 21, so
After cover package board 22, it is respectively that package board 22 and motor casing 2 and motor 3 is fixed with bolt, the quick peace of motor 3 can be realized
Dress, while through-hole 21 being sealed.
As shown in Fig. 2, the outer wall of motor casing 2 is equipped with several guide vanes 23, each 23 wound motor shell 2 of guide vane is uniformly distributed,
And in the same plane with the axis of water inlet pipe mouth 11, one side and motor casing 2 are affixed, another side and water inlet pipe mouth 11
Inner wall is affixed.When water flow is flow at guide vane 23, cross current is changed into axial flowing, and it is dynamic that partial turn kinetic energy is also converted to translation
Can, flow velocity is accelerated.
As shown in figure 3, impeller base 5 is equipped with axle sleeve 51 towards 3 one end of motor, axle sleeve 51 is set on arbor 4, with arbor 4
It is affixed.In addition, axle sleeve 51 is additionally provided with locking pressing plate 52 backwards to the end face of 3 one end of motor, and locking pressing plate 52 and arbor 4 bolt,
It after bolt passes through locking pressing plate 52, is penetrated perpendicular to 4 end face of arbor, nut then presses in locking pressing plate 52 backwards to axle sleeve 51
Side is close to it with axle sleeve 51.
Arbor 4 and locking pressing plate 52 are linked together by bolt, so that impeller base 5 can not be mobile backwards to motor 3, so will not
It is loosened with arbor 4, arbor 4 can steadily impeller seat 5 rotate.
As shown in Fig. 2, impeller base 5 backwards to motor 3 one end be equipped with fair water cone 53, fair water cone 53 is tapered, bottom end with
It is in arc transition between the outer wall of impeller base 5, can effectively separates water flow, reduces impact of the water flow to impeller base 5, make leaf
Wheel seat 5 is not easy to be damaged, while reducing the loss of water flow dynamic energy.
Specific implementation process:
Two motors 3 are opened simultaneously, and two impeller bases 5 is driven to rotate, the inflow pair outside water pump body 1 respectively of twice water flow
In the water inlet pipe mouth 11 answered, flowed out from effluent pipe mouth 12 after converging.In the process, left side water flow is applied to left side water inlet pipe
The reaction force of 11 1, mouth to the left, right side water flow are applied to the reaction force of right side water inlet pipe mouth 11 1 to the right.The two
Reaction force is equal in magnitude, on the same line, therefore cancels out each other, and can voluntarily reach balance.
Embodiment 2: a kind of axial force self-balanced type submersible mixed-flow pump, difference from example 1 is that, such as Fig. 4 institute
Show, two water inlet pipe mouths 11 are obliquely installed relative to effluent pipe mouth 12, and the angle between water inlet pipe mouth 11 and effluent pipe mouth 12
Between 90 ° to 180 °.Water flow is applied to the reaction force of water inlet pipe mouth 11 equally along the axis direction of water inlet pipe mouth 11 at this time,
And the two axial forces are symmetrical about the axis direction of effluent pipe mouth 12.
On the direction vertical with the axis of effluent pipe mouth 12, the component of only axial force is mutually balanced, although cannot be complete
Full axial force bring of offsetting influences, but water can be made more to smoothly flow therein effluent pipe mouth 12, reduces head loss.
The above embodiments are only the explanation to the utility model, are not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of axial force self-balanced type submersible mixed-flow pump, including water pump body (1), water pump body (1) includes water inlet pipe mouth
(11) and effluent pipe mouth (12) motor casing (2), are equipped in the water inlet pipe mouth (11), are equipped with motor (3) in motor casing (2), and
Along the axial direction setting of water inlet pipe mouth (11), arbor (4) is located at electric the arbor (4) of motor (3) backwards to the one end of effluent pipe mouth (12)
Casing (2) outside, which is provided with impeller base (5), it is characterized in that: there are two the water inlet pipe mouth (11) sets, the motor casing (2),
Motor (3) and impeller base (5) are equipped with two groups, and two water inlet pipe mouths (11) are symmetrical arranged, and are connected to effluent pipe mouth (12) one end,
Two groups of motor casings (2), motor (3) and impeller base (5) are also symmetrical arranged.
2. axial force self-balanced type submersible mixed-flow pump according to claim 1, it is characterized in that: the water inlet pipe mouth (11) hangs down
Directly it is arranged in effluent pipe mouth (12).
3. axial force self-balanced type submersible mixed-flow pump according to claim 1, it is characterized in that: the water inlet pipe mouth (11) phase
Effluent pipe mouth (12) is obliquely installed, and the angle between water inlet pipe mouth (11) and effluent pipe mouth (12) is greater than 90 °, is less than
180°。
4. being pumped according to any axial force self-balanced type submersible mixed-flow of Claims 2 or 3, it is characterized in that: the motor casing
(2) one end backwards to impeller base (5) offers the through-hole (21) for installing motor (3), is equipped with package board at through-hole (21)
(22), the end face of the package board (22) and motor casing (2) bolts, and offsets with motor (3) backwards to the one end of impeller base (5).
5. axial force self-balanced type submersible mixed-flow pump according to claim 4, it is characterized in that: the impeller base (5) direction
Motor (3) one end is equipped with axle sleeve (51), and impeller base (5) is connected by axle sleeve (51) with arbor (4), and the axle sleeve (51) is arranged
On arbor (4), and axle sleeve (51) is equipped with locking pressing plate (52), the locking pressing plate (52) and arbor backwards to motor (3) one end
(4) it bolts, and locking pressing plate (52) is bonded with axle sleeve (51) end face.
6. axial force self-balanced type submersible mixed-flow pump according to claim 5, it is characterized in that: the impeller base (5) is backwards
Motor (3) one end is equipped with fair water cone (53).
7. axial force self-balanced type submersible mixed-flow pump according to claim 6, it is characterized in that: the water inlet pipe mouth (11) is carried on the back
Oviduct (13) are equipped with to effluent pipe mouth (12) one end.
8. axial force self-balanced type submersible mixed-flow pump according to claim 7, it is characterized in that: the motor casing (2) is outer
It is equipped on wall several guide vanes (23), guide vane (23) is parallel to the axis setting of water inlet pipe mouth (11), and guide vane (23) is backwards to electricity
Casing (2) a side and water inlet pipe mouth (11) inner wall are affixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821960261.8U CN209494726U (en) | 2018-11-24 | 2018-11-24 | Axial force self-balanced type submersible mixed-flow pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821960261.8U CN209494726U (en) | 2018-11-24 | 2018-11-24 | Axial force self-balanced type submersible mixed-flow pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209494726U true CN209494726U (en) | 2019-10-15 |
Family
ID=68151921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821960261.8U Active CN209494726U (en) | 2018-11-24 | 2018-11-24 | Axial force self-balanced type submersible mixed-flow pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209494726U (en) |
-
2018
- 2018-11-24 CN CN201821960261.8U patent/CN209494726U/en active Active
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