CN208236669U - A kind of monopole single-suction centrifugal pump of high lift - Google Patents
A kind of monopole single-suction centrifugal pump of high lift Download PDFInfo
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- CN208236669U CN208236669U CN201820754083.7U CN201820754083U CN208236669U CN 208236669 U CN208236669 U CN 208236669U CN 201820754083 U CN201820754083 U CN 201820754083U CN 208236669 U CN208236669 U CN 208236669U
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- pump housing
- impeller
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Abstract
The utility model discloses a kind of monopole single-suction centrifugal pumps of high lift, including the pump housing and accessory impeller, the left end of the pump housing is provided with pump cover, inlet tube is provided at the center of pump cover, outlet tube is provided on the circular arc side of the pump housing, inlet tube, the pump housing is connected with the inner space of outlet tube, circular hole is arranged in the right side of the pump housing, shaft is rotatably equipped at circular hole, the contact position of circular hole and shaft is provided with seal ring, the left end of shaft is located at the inside of the pump housing and is provided with main impeller, the right end of shaft is located at the outside of the pump housing, the right end of shaft is connected to motor by shaft coupling, the monopole single-suction centrifugal pump of this high lift, using the design of main impeller and accessory impeller, the revolving speed of accessory impeller is greater than the revolving speed of main impeller, liquid after main impeller accelerates again passes by accessory impeller acceleration, achieve the purpose that improve lift, with single-stage centrifugal pump Volume realize the lift of centrifugal multistage pump multiple centrifugal pump, and structure is simpler compared to centrifugal multistage pump multiple centrifugal pump, and later maintenance cost is lower.
Description
Technical field
The utility model relates to be centrifuged pump technical field, specially a kind of monopole single-suction centrifugal pump of high lift.
Background technique
Centrifugal pump is to be rotated using impeller and make water that centrifugal movement occur come work.Water pump is before activation, it is necessary to make to pump
It is full of water in shell and suction hose, then starts motor, pump shaft impeller and water is made to do high speed rotary motion, centrifugation fortune occurs for water
It is dynamic, it is thrown toward impeller outer edge, the runner through volute pump case flows into the pressure pipe road of water pump, and existing centrifugal pump is farther in order to obtain
Lift, multistage centrifugal pump design can be used, but centrifugal multistage pump multiple centrifugal pump is bigger compared to single-stage centrifugal pump volume, structure is more multiple
Miscellaneous, later maintenance cost is higher.
Utility model content
The technical problems to be solved in the utility model is to overcome existing defect, provides a kind of monopole single-suction of high lift
Centrifugal pump realizes the lift of centrifugal multistage pump multiple centrifugal pump, and structure with the volume of single-stage centrifugal pump using the design of main impeller and accessory impeller
Simpler compared to centrifugal multistage pump multiple centrifugal pump, later maintenance cost is lower, can effectively solve the problems in background technique.
To achieve the above object, the utility model provides the following technical solutions: a kind of monopole single-suction centrifugation of high lift
Pump, including the pump housing and accessory impeller, the left end of the pump housing are provided with pump cover, inlet tube are provided at the center of pump cover, the pump housing
Outlet tube is provided on circular arc side, the inlet tube, the pump housing are connected with the inner space of outlet tube, and the right side of the pump housing is set
Circular hole is set, is rotatably equipped with shaft at circular hole, the contact position of circular hole and shaft is provided with seal ring, and the left end of the shaft is located at
The inside of the pump housing and it is provided with main impeller, the right end of shaft is located at the outside of the pump housing, and the right end of shaft passes through shaft coupling and motor
Connection, motor are electrically connected with external power supply, are provided with stuffing-box at the circular hole of the right side setting of the pump housing, shaft runs through filler
The medial surface of letter, the pump housing and pump cover is provided with annular groove, and the accessory impeller is slidably mounted on annular recessed by mounting ring
In slot, in a ring, the central axes of accessory impeller are overlapped the accessory impeller with the central axes of main impeller, the mounting ring on the right side of accessory impeller
Driving plate is provided on inner ring surface, Circularhole diameter is greater than the diameter of shaft at the center of driving plate, at the center hole of driving plate
It is provided with ring gear, third gear is installed in the shaft, third gear is engaged by gear set with ring gear indirectly, gear set packet
First gear and second gear are included, first gear is welded on the end face of second gear, and first gear is directly engaged with ring gear, the
Two gears are engaged with third direct geared, and gear set is rotatably installed on the shell of the pump housing by the installation axle that end face is arranged.
As a kind of optimal technical scheme of the utility model, the lower end of the inlet tube is provided with Rose Box.
As a kind of optimal technical scheme of the utility model, the stuffing-box includes filling tube, the filling tube with turn
Gap between axis is filled with soft packing, and the right end of filling tube is equipped with gland by bolt, and the inside of filling tube is empty
Between be connected by cooling duct with the inner space of the pump housing.
As a kind of optimal technical scheme of the utility model, the quantity of the gear set is three groups, three groups of gear sets around
The central axis of shaft is equiangularly arranged.
As a kind of optimal technical scheme of the utility model, the diameter of the second gear is less than the straight of first gear
Diameter, the diameter of first gear are equal to the diameter of ring gear, and the diameter of first gear is less than the diameter of third gear.
Compared with prior art, the utility model has the beneficial effects that the monopole single-suction centrifugal pump of this high lift, uses
The design of main impeller and accessory impeller, the revolving speed of accessory impeller are greater than the revolving speed of main impeller, and the liquid after main impeller accelerates is again
Accelerate by accessory impeller, achieve the purpose that improve lift, the lift of centrifugal multistage pump multiple centrifugal pump is realized with the volume of single-stage centrifugal pump, and tie
Structure is simpler compared to centrifugal multistage pump multiple centrifugal pump, and later maintenance cost is lower.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is structure enlargement diagram at the utility model A.
In figure: 1 pump housing, 2 pump covers, 3 inlet tubes, 4 outlet tubes, 5 Rose Boxes, 6 main impellers, 7 accessory impellers, 8 mounting rings, 9 are driven
Movable plate, 10 shafts, 11 shaft couplings, 12 motors, 13 stuffing-boxes, 14 soft packings, 15 filling tubes, 16 glands, 17 cooling ducts, 18
Installation axle, 19 ring gears, 20 gear sets, 21 first gears, 22 second gears, 23 third gears, 24 seal rings.
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.
The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of monopole single-suction centrifugal pump of high lift,
Including the pump housing 1 and accessory impeller 7, the left end of the pump housing 1 is provided with pump cover 2, and inlet tube 3, inlet tube 3 are provided at the center of pump cover 2
Lower end be provided with Rose Box 5, be provided with outlet tube 4 on the circular arc side of the pump housing 1, inlet tube 3, the pump housing 1 and outlet tube 4 it is interior
Portion space is connected, and circular hole is arranged in the right side of the pump housing 1, is rotatably equipped with shaft 10, the contact of circular hole and shaft 10 at circular hole
Place is provided with seal ring 24, and the left end of shaft 10 is located at the inside of the pump housing 1 and is provided with main impeller 6, and the right end of shaft 10 is located at
The outside of the pump housing 1, the right end of shaft 10 are connect by shaft coupling 11 with motor 12, and motor 12 is electrically connected with external power supply, when from
When heart pump starts, motor 12 drives main impeller 6 to rotate by shaft 10, and main impeller 6 under the influence of centrifugal force will be in the pump housing 1
Liquid is thrown away, and the center of main impeller 6 is everywhere in vacuum state, under atmospheric pressure, external liquid by inlet tube 3 into
Enter in the pump housing 1, is provided with stuffing-box 13 at the circular hole of the right side setting of the pump housing 1, shaft 10 runs through stuffing-box 13, stuffing-box 13
Including filling tube 15, gap between filling tube 15 and shaft 10 is filled with soft packing 14, soft packing 14 be used for the pump housing 1 into
Row sealing, the right end of filling tube 15 is equipped with gland 16 by bolt, after soft packing 14 is worn, by adjusting filler
Gland 16 compresses soft packing 14, guarantees sealing effect, and the inner space of filling tube 15 passes through the inside of cooling duct 17 and the pump housing 1
Space is connected, and the liquid in the pump housing 1 achievees the purpose that lubricate soft packing 14, the pump housing 1 and pump for cooling down soft packing 14
The medial surface of lid 2 is provided with annular groove, and accessory impeller 7 is slidably mounted in annular groove by mounting ring 8, and accessory impeller 7 is in ring
The central axes of shape, accessory impeller 7 are overlapped with the central axes of main impeller 6, are provided on the inner ring surface of the mounting ring 8 on 7 right side of accessory impeller
Driving plate 9, Circularhole diameter is greater than the diameter of shaft 10 at the center of driving plate 9, is provided with ring gear at the center hole of driving plate 9
19, third gear 23 is installed, third gear 23 is engaged by gear set 20 with ring gear 19 indirectly, gear set 20 in shaft 10
Quantity is three groups, three groups of gear sets 20 around the shaft 10 central axis it is equiangularly arranged, gear set 20 includes first gear 21 and the
Two gears 22, first gear 21 are welded on the end face of second gear 22, and first gear 21 is directly engaged with ring gear 19, the second tooth
Wheel 22 is directly engaged with third gear 23, and motor 12 drives shaft 10 to rotate, and shaft 10 drives third gear 23 to rotate, third tooth
Wheel 23 drives second gear 22 and first gear 21 to rotate, and first gear 21 drives ring gear 19 to rotate, and ring gear 19 passes through driving plate 9
Accessory impeller 7 is driven to rotate, the diameter of second gear 22 is less than the diameter of first gear 21, and the diameter of first gear 21 is equal to ring gear
19 diameter, the diameter of first gear 21 is less than the diameter of third gear 23, so the angular speed of accessory impeller 7 is greater than shaft 10
Angular speed, the angular speed of accessory impeller 7 are greater than the angular speed of main impeller 6, and the liquid after the acceleration of main impeller 6 again passes by accessory lobes
Wheel 7 accelerates, and achievees the purpose that improve lift, realizes that the lift of centrifugal multistage pump multiple centrifugal pump, gear set 20 are logical with the volume of single-stage centrifugal pump
The installation axle 18 for crossing end face setting is rotatably installed on the shell of the pump housing 1, and when being centrifuged pump startup, motor 12 passes through 10 band of shaft
Dynamic main impeller 6 rotates, and main impeller 6 under the influence of centrifugal force throws away the liquid in the pump housing 1, the center of main impeller 6 everywhere in
Vacuum state, under atmospheric pressure, external liquid are entered in the pump housing 1 by inlet tube 3, and liquid is thrown away by main impeller 6
Enter in accessory impeller 7 afterwards, accessory impeller 7 carries out secondary acceleration to liquid, is finally discharged by outlet tube 5.
When in use: when being centrifuged pump startup, motor 12 drives main impeller 6 to rotate by shaft 10, and main impeller 6 is being centrifuged
The liquid in the pump housing 1 is thrown away under the action of power, the center of main impeller 6 is everywhere in vacuum state, under atmospheric pressure, outside
The liquid in portion is entered in the pump housing 1 by inlet tube 3, and liquid enters in accessory impeller 7 after being thrown away by main impeller 6, and accessory impeller 7 is to liquid
Secondary acceleration is carried out, is finally discharged by outlet tube 5, first gear 21 is directly engaged with ring gear 19, second gear 22 and third
Gear 23 directly engages, and motor 12 drives shaft 10 to rotate, and shaft 10 drives third gear 23 to rotate, and third gear 23 drives the
Two gears 22 and first gear 21 rotate, and first gear 21 drives ring gear 19 to rotate, and ring gear 19 drives accessory impeller by driving plate 9
7 rotations, since the diameter of second gear 22 is less than the diameter of first gear 21, the diameter of first gear 21 is equal to the straight of ring gear 19
Diameter, the diameter of first gear 21 are less than the diameter of third gear 23, so the angular speed of accessory impeller 7 is greater than the angle speed of shaft 10
Degree, so that the angular speed of accessory impeller 7 is greater than the angular speed of main impeller 6, the liquid after the acceleration of main impeller 6 again passes by accessory lobes
Wheel 7 accelerates, and achievees the purpose that improve lift, the lift of centrifugal multistage pump multiple centrifugal pump is realized with the volume of single-stage centrifugal pump,
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of monopole single-suction centrifugal pump of high lift, including the pump housing (1) and accessory impeller (7), it is characterised in that: the pump housing
(1) left end is provided with pump cover (2), is provided at the center of pump cover (2) inlet tube (3), is arranged on the circular arc side of the pump housing (1)
Have outlet tube (4), the inlet tube (3), the pump housing (1) are connected with the inner space of outlet tube (4), the right side of the pump housing (1)
Circular hole is set, is rotatably equipped with shaft (10) at circular hole, the contact position of circular hole and shaft (10) is provided with seal ring (24), described
The left end of shaft (10) is located at the inside of the pump housing (1) and is provided with main impeller (6), and the right end of shaft (10) is located at the pump housing (1)
The right end of outside, shaft (10) is connect by shaft coupling (11) with motor (12), and motor (12) is electrically connected with external power supply, the pump housing
(1) right side setting circular hole at be provided with stuffing-box (13), shaft (10) run through stuffing-box (13), the pump housing (1) and
The medial surface of pump cover (2) is provided with annular groove, and the accessory impeller (7) is slidably mounted in annular groove by mounting ring (8),
In a ring, the central axes of accessory impeller (7) are overlapped the accessory impeller (7) with the central axes of main impeller (6), on the right side of accessory impeller (7)
It is provided on the inner ring surface of mounting ring (8) driving plate (9), Circularhole diameter is greater than the straight of shaft (10) at the center of driving plate (9)
Diameter is provided with ring gear (19) at the center hole of driving plate (9), is equipped with third gear (23), third on the shaft (10)
Gear (23) is engaged by gear set (20) with ring gear (19) indirectly, and gear set (20) includes first gear (21) and second gear
(22), first gear (21) is welded on the end face of second gear (22), and first gear (21) is directly engaged with ring gear (19), the
Two gears (22) are directly engaged with third gear (23), and the installation axle (18) that gear set (20) is arranged by end face is rotatably installed in
On the shell of the pump housing (1).
2. a kind of monopole single-suction centrifugal pump of high lift according to claim 1, it is characterised in that: the inlet tube
(3) lower end is provided with Rose Box (5).
3. a kind of monopole single-suction centrifugal pump of high lift according to claim 1, it is characterised in that: the stuffing-box
It (13) include filling tube (15), the gap between the filling tube (15) and shaft (10) is filled with soft packing (14), filler
The right end of cylinder (15) is equipped with gland (16) by bolt, and the inner space of filling tube (15) passes through cooling duct (17) and pump
The inner space of body (1) is connected.
4. a kind of monopole single-suction centrifugal pump of high lift according to claim 1, it is characterised in that: the gear set
(20) quantity is three groups, and the central axis of three groups of gear sets (20) (10) around the shaft is equiangularly arranged.
5. a kind of monopole single-suction centrifugal pump of high lift according to claim 1, it is characterised in that: the second gear
(22) diameter is less than the diameter of first gear (21), and the diameter of first gear (21) is equal to the diameter of ring gear (19), the first tooth
The diameter for taking turns (21) is less than the diameter of third gear (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820754083.7U CN208236669U (en) | 2018-05-21 | 2018-05-21 | A kind of monopole single-suction centrifugal pump of high lift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820754083.7U CN208236669U (en) | 2018-05-21 | 2018-05-21 | A kind of monopole single-suction centrifugal pump of high lift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208236669U true CN208236669U (en) | 2018-12-14 |
Family
ID=64580026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820754083.7U Active CN208236669U (en) | 2018-05-21 | 2018-05-21 | A kind of monopole single-suction centrifugal pump of high lift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208236669U (en) |
-
2018
- 2018-05-21 CN CN201820754083.7U patent/CN208236669U/en active Active
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