CN206035844U - Energy -conserving double suction pipeline centrifugal pump - Google Patents
Energy -conserving double suction pipeline centrifugal pump Download PDFInfo
- Publication number
- CN206035844U CN206035844U CN201621017129.4U CN201621017129U CN206035844U CN 206035844 U CN206035844 U CN 206035844U CN 201621017129 U CN201621017129 U CN 201621017129U CN 206035844 U CN206035844 U CN 206035844U
- Authority
- CN
- China
- Prior art keywords
- pump
- shaft
- energy
- bearing
- pump housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses an energy -conserving double suction pipeline centrifugal pump relates to centrifugal pump technical field, including the pump body, with pump body matched with pump cover, motor and link, it is fixed with the motor that the pump body passes through the link, the pump shaft upper end is equipped with the mechanical seal part, be provided with intermediate shaft bearing between pump cover and the mechanical seal part, pump shaft line lower extreme is equipped with slide bearing, is equipped with spiral semicircle guiding gutter on the slide bearing inner wall, and slide bearing and mechanical seal part pass through the delivery port of the drainage pipe connection pump body respectively. When the rotatory axle sleeve of pump shaft during through helical groove 's slide bearing, in the arbitrary moment, be equipped with enough lubricant film areas between axle sleeve and the slide bearing and in order to provide sufficient bearing capacity, reduce the friction, and set up the drainage tube and lower the temperature for mechanical seal parts and bearing lower extreme to the life of extension equipment.
Description
Technical field
This utility model is related to pump technical field, specially a kind of energy-efficient double suction Piping Centrifugal Pumps is centrifuged
Background technology
Piping Centrifugal Pumps is widely used in urban heat supplying, water supply, air-conditioning as a kind of conventional important form of centrifugal pump
Industry production, fire-fighting system, shipping industry, the industrial water supply systems such as refrigeration.
Application publication number discloses a kind of Piping Centrifugal Pumps for the patent of 102213233 A of CN, it be by motor, the pump housing,
Impeller, mechanical seal, packing ring and nut composition, motor are arranged on the upper end of the pump housing, and mechanical seal is arranged on motor and is obtained with the pump housing
On the outside of junction, impeller is fixed on the rotating shaft lower end of motor by nut, and impeller is arranged on the inside of the pump housing, impeller and nut it
Between be provided with packing ring.The centrifugal pump of the structure, at mechanical seal and lower bearing end are higher due to friction temperature, affect the pump housing
Life-span.
Utility model content
The technical problems to be solved in the utility model is the deficiency for solving above-mentioned existing technology, there is provided one kind can be reduced
Bearing lower end rubs, and reduces the double suction Piping Centrifugal Pumps of pump body temperature.
In order to solve above-mentioned technical problem, the technical solution adopted in the utility model is：Energy-conservation double suction Piping Centrifugal Pumps, bag
Include pump cover, motor and link that the pump housing is engaged with the pump housing, the pump housing and pump cover form the cavity for arranging impeller, impeller
Driven by pump shaft and rotated, pump shaft connects machine shaft by shaft coupling, the pump housing is fixed with motor by link, and pump shaft upper end sets
There are mechanical sealing parts, between the pump cover and mechanical sealing parts, be provided with intermediate bearing, the pump shaft line lower end is provided with cunning
Dynamic bearing, sliding bearing inwall are provided with spiral semi arch guiding gutter, and sliding bearing and mechanical sealing parts are respectively by drawing
Flow tube connects the outlet of the pump housing.
As it is of the present utility model further preferably, the width of the spiral semi arch guiding gutter is that 3MM, depth are
1.5MM。
Used as the improvement of above-mentioned technical proposal, the shaft coupling is diaphragm type coupler, is provided with protective cover outside shaft coupling,
The protective cover is made up of the semi-circular ring of a pair of closed at both ends, is fixed by screw between semi-circular ring, each semi-circular ring
On be respectively provided with the connection member that and link are fixed.
Further, the pump housing is double volute pump body.
From above-mentioned technical proposal it can be seen that this utility model has advantages below：When pump shaft rotary sleeve is through spiral goove
During the sliding bearing of groove, at any time, it is provided between axle sleeve and sliding bearing
Loading capability, reduces friction, and arranges drainage tube to lower the temperature to mechanical sealing parts and bearing lower end, so as to making for extension device
With the life-span, coupling guard is set and can protect shaft coupling, prevent dust or sewage into shaft coupling so as to cause to damage.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Partial enlarged drawings of the Fig. 2 for Fig. 1；
Shown in figure：1st, the pump housing, 2, pump cover, 3, impeller, 4, pump shaft, 5, mechanical sealing parts, 6, sliding bearing, 7, middle
Bearing, 8, guiding gutter, 9, motor connection frame, 10, motor, 11, shaft coupling, 12, protective cover；13rd, connection member, 14, first draws
Flow tube, the 15, second drainage tube.
Specific embodiment
Specific embodiment of the present utility model is elaborated below in conjunction with accompanying drawing.
Including double volute pump body 1, the pump cover being engaged with the pump housing 12, motor and link 9, the pump housing and pump cover are formed and are used for
The cavity of impeller 3 is set, and impeller 3 drives rotation by pump shaft 4, and pump shaft connects machine shaft by shaft coupling 11, using advanced
The CFD technical optimizations pump housing and impeller the Hydraulic Design, take into account blade and improve centrifugal pump impeller hydraulic efficiency into and out of bicker.Flow passage
Part adopts precision casting process so that water passage surface extra coarse degree is Ra25 or less.
The pump housing 1 is fixed by link 9 and motor, and pump shaft upper end is provided with mechanical sealing parts 5, the pump cover 3 and machinery
Intermediate bearing 7 is provided between seal member 5, and the pump shaft line lower end is provided with sliding bearing 6, and 6 inwall of sliding bearing is provided with
Spiral semi arch guiding gutter 8, it is 1.5MM that the width of spiral semi arch guiding gutter is 3MM, depth, and sliding bearing 6 is by the
One drainage tube 14 connects the outlet of the pump housing, and mechanical sealing parts 5 connect the outlet of the pump housing by the second drainage tube 15, slide
The diversion channel slot of bearing 6 is spiral grooves, when sliding bearing of the pump shaft rotary sleeve through spiral grooves, at any time,
It is provided between axle sleeve and sliding bearing, reduces friction, and drain is set
Pipe lowers the temperature to mechanical sealing parts and bearing lower end, so as to the service life of extension device.
Shaft coupling 11 is diaphragm type coupler, is provided with protective cover 12 outside shaft coupling, and protective cover is by a pair of closed at both ends
Semi-circular ring is constituted, and is fixed by screw between semi-circular ring, is respectively provided with one with the fixation of link 9 in each semi-circular ring
Connection member 13, the connection member can be fixed with motor connection frame by screw, are arranged coupling guard and can be protected shaft coupling,
Prevent dust or sewage into shaft coupling so as to cause to damage.
In Q=1500M3/H, H=60 rice, efficiency reach 88.1% to the Centrifugal Pump point, according to 19762 clear water of GB/T
The regulation point efficiency that centrifugal pump energy efficiency market and Energy efficiency evaluation value are looked into is 87%, and this product is energy-conserving product.
Claims (4)
1. a kind of energy-conservation double suction Piping Centrifugal Pumps, including the pump housing (1), the pump cover (2), motor and the connection that are engaged with the pump housing (1)
Frame (9), the pump housing and pump cover form the cavity for arranging impeller (3), and impeller (3) is driven by pump shaft (4) and rotated, and pump shaft is by connection
Axle device (11) connects machine shaft, and the pump housing (1) is fixed with motor by link (9), and pump shaft upper end is provided with mechanical sealing parts
(5), intermediate bearing (7) is provided between pump cover (3) and mechanical sealing parts (5), it is characterised in that：The pump shaft lower end
Be provided with sliding bearing (6), sliding bearing (6) inwall is provided with multiple spiral semi arch guiding gutter (8), sliding bearing (6) and
Mechanical sealing parts (5) connect the outlet of the pump housing respectively by drainage tube.
2. energy-conservation double suction Piping Centrifugal Pumps according to claim 1, it is characterised in that：The spiral semi arch guiding gutter
Width be 3MM, depth be 1.5MM.
3. energy-conservation double suction Piping Centrifugal Pumps according to claim 2, it is characterised in that：Described shaft coupling (11) are diaphragm type
Shaft coupling, is provided with protective cover (12) outside shaft coupling, protective cover (12) are made up of the semi-circular ring of a pair of closed at both ends, and half
Fixed by screw between torus, in each semi-circular ring, be respectively provided with a connection member (13) fixed with link (9).
4. energy-conservation double suction Piping Centrifugal Pumps according to claim 1, it is characterised in that：Described the pump housing (1) is double volute pump
Body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621017129.4U CN206035844U (en) | 2016-08-31 | 2016-08-31 | Energy -conserving double suction pipeline centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621017129.4U CN206035844U (en) | 2016-08-31 | 2016-08-31 | Energy -conserving double suction pipeline centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206035844U true CN206035844U (en) | 2017-03-22 |
Family
ID=58300782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621017129.4U Active CN206035844U (en) | 2016-08-31 | 2016-08-31 | Energy -conserving double suction pipeline centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206035844U (en) |
-
2016
- 2016-08-31 CN CN201621017129.4U patent/CN206035844U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204226258U (en) | Sliding bearing and multistage centrifugal pump | |
| CN202545269U (en) | Corrosion-resistant and wear-resistant plastic-lined self-priming pump | |
| CN205407466U (en) | Well that is just reversing is with dive asynchronous motor | |
| CN206035844U (en) | Energy -conserving double suction pipeline centrifugal pump | |
| CN203822689U (en) | Vertical shaft guide vane type mixed flow pump | |
| CN203926049U (en) | A kind of family expenses AC system centrifugal pump | |
| CN104728124B (en) | Multi-stage centrifugal pump | |
| CN201068864Y (en) | Linked centrifugal sealing self control self priming pump | |
| CN203453140U (en) | Inner mechanically-sealed flushing structure of centrifugal pump | |
| CN202431580U (en) | Water pump rotating shaft supporting device for multistage centrifugal pump | |
| CN106151745B (en) | A kind of pipeline shunt device of portable | |
| CN205779747U (en) | A kind of hydraulic submersible axial-flow pump | |
| CN204900319U (en) | Utilize seal spring to reduce impeller pump of bearing seal wearing and tearing | |
| CN105317729A (en) | Sliding bearing and multi-stage centrifugal pump | |
| CN202971217U (en) | Vertical type volute double suction pipeline pump | |
| CN207377809U (en) | A kind of side goes out radial direction subdivision double suction centrifugal pump into side | |
| CN205956005U (en) | Novel doublestage of intelligence does not have sealed automatic control self priming pump | |
| CN106523385A (en) | Canned motor pump with long service life | |
| CN207363938U (en) | A kind of unpowered sealing device of pump for liquid salts | |
| CN205937207U (en) | Self -cooling bearing seal and system | |
| CN205714792U (en) | A kind of pipeline pump priming device | |
| CN103775376B (en) | A kind of No leakage dynamic seal type pipeline mounted pump | |
| CN214148372U (en) | Environmental protection equipment pipeline heating device | |
| CN104791253B (en) | Multistage centrifugal pump | |
| CN204572472U (en) | A kind of rotational flow self-priming pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |